diff --git a/scripts/format-scope.json b/scripts/format-scope.json
index 8f7719548..d13106035 100644
--- a/scripts/format-scope.json
+++ b/scripts/format-scope.json
@@ -452,17 +452,17 @@
   "src/data/rocketLaunches.js",
   "src/layers/satellites/source.test.mjs",
   "src/layers/launches/source.test.mjs",
-  "src/layers/installations/lifecycle.js",
+  "src/layers/installations/render/cesium/lifecycle.js",
   "src/layers/installations/viewport.js",
   "src/layers/installations/controls.js",
   "src/layers/installations/source.js",
   "src/layers/installations/state.js",
   "src/layers/installations/policy.js",
-  "src/layers/installations/rendering.js",
+  "src/layers/installations/render/cesium/rendering.js",
   "src/layers/installations/ingestion.js",
   "src/layers/installations/index.js",
   "src/layers/installations/model.js",
-  "src/layers/installations/selection.js",
+  "src/layers/installations/render/cesium/selection.js",
   "src/layers/awareness/focus.js",
   "src/layers/awareness/lifecycle.js",
   "src/layers/awareness/dependencies.js",
diff --git a/scripts/package-boundaries.json b/scripts/package-boundaries.json
index 6712a4d4c..f6e560971 100644
--- a/scripts/package-boundaries.json
+++ b/scripts/package-boundaries.json
@@ -1249,12 +1249,12 @@
       "src/layers/installations/controls.js",
       "src/layers/installations/index.js",
       "src/layers/installations/ingestion.js",
-      "src/layers/installations/lifecycle.js",
+      "src/layers/installations/render/cesium/lifecycle.js",
       "src/layers/installations/model.js",
       "src/layers/installations/policy.js",
       "src/layers/installations/render/cesium.js",
-      "src/layers/installations/rendering.js",
-      "src/layers/installations/selection.js",
+      "src/layers/installations/render/cesium/rendering.js",
+      "src/layers/installations/render/cesium/selection.js",
       "src/layers/installations/source.js",
       "src/layers/installations/state.js",
       "src/layers/installations/viewport.js",
@@ -1272,7 +1272,7 @@
       "src/data/local_data/osm_military_names/names.json",
       "src/data/bundledJson.js",
       "src/data/retryableLoad.js",
-      "src/layers/installations/namedMarkers.js",
+      "src/layers/installations/render/cesium/namedMarkers.js",
       "src/data/infrastructureOverlayEntry.js",
       "src/geo/index.js",
       "src/geo/math.js",
@@ -2128,12 +2128,12 @@
       "src/layers/installations/controls.js",
       "src/layers/installations/index.js",
       "src/layers/installations/ingestion.js",
-      "src/layers/installations/lifecycle.js",
+      "src/layers/installations/render/cesium/lifecycle.js",
       "src/layers/installations/model.js",
       "src/layers/installations/policy.js",
       "src/layers/installations/render/cesium.js",
-      "src/layers/installations/rendering.js",
-      "src/layers/installations/selection.js",
+      "src/layers/installations/render/cesium/rendering.js",
+      "src/layers/installations/render/cesium/selection.js",
       "src/layers/installations/source.js",
       "src/layers/installations/state.js",
       "src/layers/installations/viewport.js",
@@ -2625,7 +2625,7 @@
       "src/data/militaryNames.js",
       "src/sources/requestDeadline.js",
       "src/data/local_data/osm_military_names/names.json",
-      "src/layers/installations/namedMarkers.js",
+      "src/layers/installations/render/cesium/namedMarkers.js",
       "src/data/infrastructureOverlayEntry.js",
       "src/sources/infrastructureData.js",
       "src/tools/functions.js",
@@ -2700,6 +2700,8 @@
       "src/layers/earthquakes/render/navara.js",
       "src/layers/earthquakes/render/navaraGeometry.js",
       "src/layers/earthquakes/render/navaraGrid.js",
+      "src/layers/installations/render/navara.js",
+      "src/layers/installations/render/navaraGeometry.js",
       "src/layers/firms/rectangle.js",
       "src/layers/firms/render/cesium.js",
       "src/layers/firms/render/navara.js",
@@ -2967,12 +2969,12 @@
       "src/layers/installations/controls.js",
       "src/layers/installations/index.js",
       "src/layers/installations/ingestion.js",
-      "src/layers/installations/lifecycle.js",
+      "src/layers/installations/render/cesium/lifecycle.js",
       "src/layers/installations/model.js",
       "src/layers/installations/policy.js",
       "src/layers/installations/render/cesium.js",
-      "src/layers/installations/rendering.js",
-      "src/layers/installations/selection.js",
+      "src/layers/installations/render/cesium/rendering.js",
+      "src/layers/installations/render/cesium/selection.js",
       "src/layers/installations/source.js",
       "src/layers/installations/state.js",
       "src/layers/installations/viewport.js",
@@ -3265,7 +3267,7 @@
       "src/data/militaryNames.js",
       "src/sources/requestDeadline.js",
       "src/data/local_data/osm_military_names/names.json",
-      "src/layers/installations/namedMarkers.js",
+      "src/layers/installations/render/cesium/namedMarkers.js",
       "src/data/infrastructureOverlayEntry.js",
       "src/sources/infrastructureData.js",
       "src/geo/index.js",
diff --git a/src/app/navaraLayers.test.mjs b/src/app/navaraLayers.test.mjs
index 1a868878c..1975d85b1 100644
--- a/src/app/navaraLayers.test.mjs
+++ b/src/app/navaraLayers.test.mjs
@@ -10,7 +10,7 @@ import {
   rendererFor,
 } from './layers/renderers.js';
 
-test('the Navara mode registers the aircraft layers’ and vessels’ renderers, once', async () => {
+test('the Navara mode registers migrated renderers once', async () => {
   assert.equal(layerAvailableOn('military', 'navara'), false);
   await Promise.all([
     registerNavaraLayerRenderers(),
@@ -26,6 +26,7 @@ test('the Navara mode registers the aircraft layers’ and vessels’ renderers,
     'ais-live-vessels',
     'earthquakes',
     'local-firms',
+    'military-installations',
   ])
     assert.equal(layerAvailableOn(id, 'navara'), true, id);
   assert.deepEqual(
@@ -40,6 +41,7 @@ test('the Navara mode registers the aircraft layers’ and vessels’ renderers,
       'satellites',
       'rocket-launches',
       'ais-live-vessels',
+      'military-installations',
       'local-firms',
     ],
   );
diff --git a/src/app/navaraMode.js b/src/app/navaraMode.js
index 72c743fbf..3eff245c0 100644
--- a/src/app/navaraMode.js
+++ b/src/app/navaraMode.js
@@ -62,6 +62,15 @@ const NAVARA_CREDIT_KEYS = new Set([
  */
 export async function registerNavaraLayerRenderers() {
   const loaders = {
+    'military-installations': async () => {
+      const { createInstallationsNavaraRenderer } =
+        await import('../layers/installations/render/navara.js');
+      return (engine, options) =>
+        createInstallationsNavaraRenderer(engine, {
+          ...options,
+          ...navaraViews.get(engine),
+        });
+    },
     'local-firms': async () => {
       const { createFirmsNavaraRenderer } =
         await import('../layers/firms/render/navara.js');
@@ -151,6 +160,8 @@ export async function createNavaraScene({
     MeshDesc: globe.MeshDesc,
     EffectDesc: globe.EffectDesc,
     NavaraEffect: globe.NavaraEffect,
+    DrapedMesh: globe.DrapedMesh,
+    setupMaterialForDrape: globe.setupMaterialForDrape,
   });
   defer(() => navaraViews.delete(engine));
   // The layers drawn on Navara (their render/navara.js), before the catalog
diff --git a/src/data/dataCredits.js b/src/data/dataCredits.js
index 9ddb70258..15a64b903 100644
--- a/src/data/dataCredits.js
+++ b/src/data/dataCredits.js
@@ -34,8 +34,13 @@ export const OPENMAPTILES_CREDIT = {
   key: 'openfreemap',
   html: 'Vector tiles: <a href="https://openfreemap.org" target="_blank" rel="noopener">OpenFreeMap</a> © <a href="https://openmaptiles.org" target="_blank" rel="noopener">OpenMapTiles</a>',
 };
+export const GOOGLE_PLACES_CREDIT = {
+  key: 'google-maps-places',
+  html: 'Google Maps Places: <a href="https://developers.google.com/maps/documentation/places/web-service/policies" target="_blank" rel="noopener">Google Maps</a>',
+};
 
 const osmDisplays = new WeakMap();
+const googlePlacesDisplays = new WeakMap();
 const viewerCredits = new WeakMap();
 
 /**
@@ -114,6 +119,36 @@ export function hideOsmCredit(target, owner) {
   return true;
 }
 
+/** Keep Places attribution visible only while a layer displays Places results. */
+export function showGooglePlacesCredit(target, owner) {
+  const credits = creditsOf(target);
+  if (!credits || !owner) return false;
+  let state = googlePlacesDisplays.get(target);
+  if (!state) {
+    state = { owners: new Set(), remove: null };
+    googlePlacesDisplays.set(target, state);
+  }
+  if (state.owners.has(owner)) return false;
+  state.owners.add(owner);
+  state.remove ||= credits.addStatic(GOOGLE_PLACES_CREDIT.html, {
+    onScreen: true,
+  });
+  credits.request();
+  return true;
+}
+
+/** Release this layer's Places attribution when it stops displaying results. */
+export function hideGooglePlacesCredit(target, owner) {
+  const state = googlePlacesDisplays.get(target);
+  if (!state?.owners.delete(owner)) return false;
+  if (!state.owners.size) {
+    state.remove?.();
+    state.remove = null;
+  }
+  creditsOf(target)?.request();
+  return true;
+}
+
 export const DATA_CREDITS = [
   // ── Live sources ────────────────────────────────────────────────
   {
diff --git a/src/data/dataCredits.test.mjs b/src/data/dataCredits.test.mjs
index 8528e5285..76508e069 100644
--- a/src/data/dataCredits.test.mjs
+++ b/src/data/dataCredits.test.mjs
@@ -160,16 +160,49 @@ test('data credits go through the globe engine credits', async () => {
   );
 });
 
+test('Google Places attribution is visible only while a layer displays Places data', async () => {
+  const { showGooglePlacesCredit, hideGooglePlacesCredit } =
+    await import('./dataCredits.js');
+  const { createFakeEngine } = await import('../globe/testing/fakeEngine.js');
+  const engine = createFakeEngine();
+  assert.equal(showGooglePlacesCredit(engine, 'installations'), true);
+  assert.equal(showGooglePlacesCredit(engine, 'installations'), false);
+  assert.equal(showGooglePlacesCredit(engine, 'other-layer'), true);
+  const visible = engine.fake.credits.filter(({ onScreen }) => onScreen);
+  assert.equal(visible.length, 1);
+  assert.match(visible[0].html, /Google Maps Places/);
+  assert.match(
+    visible[0].html,
+    /developers\.google\.com\/maps\/documentation\/places/,
+  );
+  assert.ok(engine.fake.callsOf('render.request').length > 0);
+  assert.equal(hideGooglePlacesCredit(engine, 'installations'), true);
+  assert.equal(
+    engine.fake.credits.filter(({ onScreen }) => onScreen).length,
+    1,
+  );
+  assert.equal(hideGooglePlacesCredit(engine, 'other-layer'), true);
+  assert.equal(hideGooglePlacesCredit(engine, 'installations'), false);
+  assert.equal(
+    engine.fake.credits.filter(({ onScreen }) => onScreen).length,
+    0,
+  );
+});
+
 test('without a viewer or engine the OSM and dynamic credits skip cleanly', async () => {
   const {
     registerDataCredits,
     registerDynamicCredit,
     showOsmCredit,
     hideOsmCredit,
+    showGooglePlacesCredit,
+    hideGooglePlacesCredit,
   } = await import('./dataCredits.js');
   // The Navara mode has no viewer; a layer-side call with it must not throw.
   assert.doesNotThrow(() => registerDataCredits(null, [{ html: 'A' }]));
   assert.equal(showOsmCredit(null, 'owner'), false);
   assert.equal(hideOsmCredit(null, 'owner'), false);
+  assert.equal(showGooglePlacesCredit(null, 'owner'), false);
+  assert.equal(hideGooglePlacesCredit(null, 'owner'), false);
   assert.equal(registerDynamicCredit(null, { key: 'k', html: 'K' }), false);
 });
diff --git a/src/data/inputOwnership.test.mjs b/src/data/inputOwnership.test.mjs
index a0c34c201..d59fa3a60 100644
--- a/src/data/inputOwnership.test.mjs
+++ b/src/data/inputOwnership.test.mjs
@@ -121,7 +121,7 @@ test('every scene click handler consults ownership before it picks', () => {
     ['src/layers/bikeshare/selection.js', 'viewer.scene.pick(click.position)'],
     ['src/layers/firms/selection.js', 'scene.pick(click.position)'],
     [
-      'src/layers/installations/selection.js',
+      'src/layers/installations/render/cesium/selection.js',
       'viewer.scene.pick(click.position)',
     ],
     ['src/layers/launches/render/cesium.js', 'drillPick(movement.position'],
diff --git a/src/data/trackedReadout.test.mjs b/src/data/trackedReadout.test.mjs
index bb4f66b79..f52332f94 100644
--- a/src/data/trackedReadout.test.mjs
+++ b/src/data/trackedReadout.test.mjs
@@ -276,13 +276,18 @@ test('tracking layers write gevLabelModel and expose only their cached display p
     'flights.js',
     'militaryFlights.js',
     'satellites.js',
-    'militaryInstallations.js',
   ].map(async (name) => [name, readLayerSource(new URL(`./${name}`, import.meta.url))]));
   const sources = Object.fromEntries(files);
   for (const [name, source] of files) {
     assert.ok(source.includes('.gevLabelModel ='), `${name} writes the explicit model directly`);
     assert.ok(source.includes('.gevDisplayPosition ='), `${name} exposes a display-position cache`);
   }
+  const installations = await readFile(
+    new URL('../layers/installations/render/cesium/rendering.js', import.meta.url),
+    'utf8',
+  );
+  assert.ok(installations.includes('entity.gevLabelModel ='));
+  assert.ok(installations.includes('entity.gevDisplayPosition = () => displayPosition'));
   assert.match(sources['flights.js'], /gevDisplayPosition\s*=\s*parts\.motion\._trackedDisplayCached/);
   assert.match(sources['militaryFlights.js'], /gevDisplayPosition\s*=\s*parts\.motion\._trackedDisplayCached/);
   assert.ok(sources['satellites.js'].includes('gevDisplayPosition = _trackedDisplayCached'));
diff --git a/src/globe/navara/index.js b/src/globe/navara/index.js
index 579ff6c98..8a6a886c2 100644
--- a/src/globe/navara/index.js
+++ b/src/globe/navara/index.js
@@ -6,6 +6,8 @@ import ThreeView, {
   MeshDesc,
   EffectDesc,
   Effect as NavaraEffect,
+  DrapedMesh,
+  setupMaterialForDrape,
 } from '@navaramap/three';
 import * as geo from '../../geo/index.js';
 import { DefaultPlugin } from '@navaramap/three-default-plugin';
@@ -193,6 +195,8 @@ export async function createNavaraGlobe({
     MeshDesc,
     EffectDesc,
     NavaraEffect,
+    DrapedMesh,
+    setupMaterialForDrape,
     destroy() {
       if (destroyed) return;
       destroyed = true;
diff --git a/src/layers/installations/ingestion.js b/src/layers/installations/ingestion.js
index 57cda2710..56522f79b 100644
--- a/src/layers/installations/ingestion.js
+++ b/src/layers/installations/ingestion.js
@@ -72,7 +72,8 @@ export function createIngestion({
   }
 
   async function loadInstallations() {
-    if (!layerState.enabled || !layerState.viewer) return;
+    if (!layerState.enabled || (!layerState.viewer && !layerState.engine))
+      return;
     const { box, coverage } = parts.viewport.loadArea(layerState.viewer);
     // Guidance, not a fault: the layer chose not to query because the view is
     // unbounded (a global view, or Cockpit looking at the horizon). Keep it out
diff --git a/src/layers/installations/lifecycle.test.mjs b/src/layers/installations/lifecycle.test.mjs
index 09a60cc70..772e6659a 100644
--- a/src/layers/installations/lifecycle.test.mjs
+++ b/src/layers/installations/lifecycle.test.mjs
@@ -1,7 +1,7 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import * as credits from '../../data/dataCredits.js';
-import { createLifecycle } from './lifecycle.js';
+import { createLifecycle } from './render/cesium/lifecycle.js';
 import { LAYER_ID } from './policy.js';
 
 for (const source of [
diff --git a/src/layers/installations/namedMarkers.test.mjs b/src/layers/installations/namedMarkers.test.mjs
index 6e5283691..8b56335aa 100644
--- a/src/layers/installations/namedMarkers.test.mjs
+++ b/src/layers/installations/namedMarkers.test.mjs
@@ -1,8 +1,8 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import * as C from 'cesium';
-import { createNamedMarkers } from './namedMarkers.js';
-import { createLifecycle } from './lifecycle.js';
+import { createNamedMarkers } from './render/cesium/namedMarkers.js';
+import { createLifecycle } from './render/cesium/lifecycle.js';
 import { createLocalInfrastructureOverlayEntry } from '../../data/localGeojsonCore.js';
 
 function setup(t) {
@@ -183,3 +183,17 @@ test('Contacts can select a point outside the normal title cap or an unnamed pol
   }
   h.lifecycle.destroy(h.state.viewer);
 });
+
+test('selected markers without an explicit namedArea flag stay hidden safely', (t) => {
+  const h = setup(t);
+  const record = {
+    id: 'google:places-qa-01',
+    name: 'Candidate',
+    latitude: 0,
+    longitude: 0,
+  };
+  h.state.selectedId = record.id;
+  assert.doesNotThrow(() => h.markers.sync([record]));
+  h.markers.visit((_id, point) => assert.equal(point.show, false));
+  h.lifecycle.destroy(h.state.viewer);
+});
diff --git a/src/layers/installations/navigation.test.mjs b/src/layers/installations/navigation.test.mjs
index dd3a4b0fe..0c1d9c308 100644
--- a/src/layers/installations/navigation.test.mjs
+++ b/src/layers/installations/navigation.test.mjs
@@ -2,7 +2,7 @@ import test from 'node:test';
 import assert from 'node:assert/strict';
 import * as Cesium from 'cesium';
 import { createViewport } from './viewport.js';
-import { createLifecycle } from './lifecycle.js';
+import { createLifecycle } from './render/cesium/lifecycle.js';
 
 test('camera changes debounce, deduplicate moveEnd, cancel superseded loads and recover from wide views', (t) => {
   t.mock.timers.enable({ apis: ['setTimeout'] });
@@ -158,6 +158,49 @@ test('an aborting real ingestion cannot clear the next scheduled view key', asyn
   assert.equal(state.cameraLoadKey, nextKey);
 });
 
+test('Navara installation ingestion loads from its engine camera without a viewer', async () => {
+  const { createIngestion } = await import('./ingestion.js');
+  const rectangle = Cesium.Rectangle.fromDegrees(-123, 37, -122, 38);
+  const state = {
+    enabled: true,
+    viewer: null,
+    engine: { camera: { viewRectangle: () => rectangle } },
+    records: [],
+    recordById: new Map(),
+    coverage: { kind: 'viewport' },
+  };
+  const requests = [];
+  const parts = {
+    model: { installationWithinViewport: () => true },
+    rendering: { renderRecords() {}, warmInstallationFloors() {} },
+    namedMarkers: { sync() {} },
+  };
+  const context = {
+    state,
+    parts,
+    services: {
+      render: { governorRequestRender() {} },
+      ground: { resolveGroundFloorCellsBounded: async () => {} },
+    },
+    source: {
+      async getMappedSites(box) {
+        requests.push(box);
+        return { records: [], status: 'ready', wide: false, saturated: false };
+      },
+    },
+  };
+  parts.viewport = createViewport(context);
+  const ingestion = createIngestion(context);
+
+  await ingestion.loadInstallations();
+
+  assert.equal(requests.length, 1);
+  assert.ok(Math.abs(requests[0].west + 123) < 1e-10);
+  assert.ok(Math.abs(requests[0].south - 37) < 1e-10);
+  assert.equal(state.loading, false);
+  assert.ok(state.lastUpdate);
+});
+
 test('wide views refresh screen decluttering when the globe rectangle stays unchanged', (t) => {
   t.mock.timers.enable({ apis: ['setTimeout'] });
   const camera = {
diff --git a/src/layers/installations/render/cesium.js b/src/layers/installations/render/cesium.js
index 4ce68ca27..a20cddf9b 100644
--- a/src/layers/installations/render/cesium.js
+++ b/src/layers/installations/render/cesium.js
@@ -1,7 +1,7 @@
-import { createLifecycle } from '../lifecycle.js';
-import { createNamedMarkers } from '../namedMarkers.js';
-import { createRendering } from '../rendering.js';
-import { createSelection } from '../selection.js';
+import { createLifecycle } from './cesium/lifecycle.js';
+import { createNamedMarkers } from './cesium/namedMarkers.js';
+import { createRendering } from './cesium/rendering.js';
+import { createSelection } from './cesium/selection.js';
 
 /** Compose the existing Cesium-owned scene, input and entity adapters. */
 export function createInstallationsCesiumRenderer(context) {
diff --git a/src/layers/installations/lifecycle.js b/src/layers/installations/render/cesium/lifecycle.js
similarity index 91%
rename from src/layers/installations/lifecycle.js
rename to src/layers/installations/render/cesium/lifecycle.js
index 4d575d91e..fb7e85e3f 100644
--- a/src/layers/installations/lifecycle.js
+++ b/src/layers/installations/render/cesium/lifecycle.js
@@ -1,10 +1,10 @@
 import * as Cesium from 'cesium';
-import { LAYER_ID } from './policy.js';
-import { engineFromViewer } from '../../globe/cesium/engineFromViewer.js';
+import { LAYER_ID } from '../../policy.js';
+import { engineFromViewer } from '../../../../globe/cesium/engineFromViewer.js';
 import {
   claimCameraSensitivity,
   releaseCameraSensitivity,
-} from '../../data/cameraSensitivity.js';
+} from '../../../../data/cameraSensitivity.js';
 
 export function createLifecycle({
   state: layerState,
@@ -23,7 +23,7 @@ export function createLifecycle({
       layerState.dataSource = new Cesium.CustomDataSource(
         'military-installations',
       );
-      viewer.dataSources.add(layerState.dataSource);
+      const added = viewer.dataSources.add(layerState.dataSource);
       const camera = engine?.camera ?? viewer.camera;
       const cameraChanged = () => {
         if (!layerState.contextAnchor) parts.viewport.scheduleLoad();
@@ -32,6 +32,7 @@ export function createLifecycle({
       layerState.changedRemove =
         camera.changed?.addEventListener(cameraChanged);
       parts.selection.installInteraction(viewer);
+      return added;
     },
 
     enable() {
@@ -64,6 +65,7 @@ export function createLifecycle({
     disable() {
       layerState.enabled = false;
       services.credits?.hideOsmCredit?.(layerState.viewer, LAYER_ID);
+      services.credits?.hideGooglePlacesCredit?.(layerState.viewer, LAYER_ID);
       parts.namedMarkers?.hide();
       releaseCameraSensitivity(layerState.viewer?.camera, LAYER_ID);
       layerState.contextAnchor = null;
diff --git a/src/layers/installations/namedMarkers.js b/src/layers/installations/render/cesium/namedMarkers.js
similarity index 95%
rename from src/layers/installations/namedMarkers.js
rename to src/layers/installations/render/cesium/namedMarkers.js
index e516fb627..ab4f31aa1 100644
--- a/src/layers/installations/namedMarkers.js
+++ b/src/layers/installations/render/cesium/namedMarkers.js
@@ -2,9 +2,9 @@ import * as Cesium from 'cesium';
 import {
   MILITARY_LABEL_CAP,
   MILITARY_POINT_CAP,
-} from '../../data/militaryNames.js';
-import { LAYER_ID, COLOR_BY_CLASS } from './policy.js';
-import { createInfrastructureOverlayEntry } from '../../data/infrastructureOverlayEntry.js';
+} from '../../../../data/militaryNames.js';
+import { LAYER_ID, COLOR_BY_CLASS } from '../../policy.js';
+import { createInfrastructureOverlayEntry } from '../../../../data/infrastructureOverlayEntry.js';
 
 /** Bounded point markers; the shared overlay owns text projection and decluttering. */
 export function createNamedMarkers({ state, services, parts, overlayHost }) {
@@ -34,7 +34,9 @@ export function createNamedMarkers({ state, services, parts, overlayHost }) {
     for (let index = 0; index < ordered.length; index++) {
       const marker = ordered[index];
       const point = marker.point;
-      point.show = marker.named && occluder.isPointVisible(point.position);
+      point.show = Boolean(
+        marker.named && occluder.isPointVisible(point.position),
+      );
       if (!point.show) continue;
       const projected = Cesium.SceneTransforms.worldToWindowCoordinates(
         viewer.scene,
diff --git a/src/layers/installations/rendering.js b/src/layers/installations/render/cesium/rendering.js
similarity index 95%
rename from src/layers/installations/rendering.js
rename to src/layers/installations/render/cesium/rendering.js
index be7e29d75..d81d0617a 100644
--- a/src/layers/installations/rendering.js
+++ b/src/layers/installations/render/cesium/rendering.js
@@ -1,5 +1,5 @@
 import * as Cesium from 'cesium';
-import { LAYER_ID, MAX_RENDERED, COLOR_BY_CLASS } from './policy.js';
+import { LAYER_ID, MAX_RENDERED, COLOR_BY_CLASS } from '../../policy.js';
 
 export function createRendering({
   state: layerState,
@@ -154,6 +154,16 @@ export function createRendering({
     return selected ? [...rendered, selected] : rendered;
   }
 
+  function syncPlacesCredit(records) {
+    const usesPlaces = records.some((record) =>
+      record.sources?.some((source) => source.name === 'Google Maps Places'),
+    );
+    if (usesPlaces)
+      services.credits?.showGooglePlacesCredit?.(layerState.viewer, LAYER_ID);
+    else
+      services.credits?.hideGooglePlacesCredit?.(layerState.viewer, LAYER_ID);
+  }
+
   function renderRecords({ claimSelection = false } = {}) {
     // Context navigation can select another layer without a canvas click.
     // A delayed floor/data repaint must not steal that newer selection back.
@@ -194,6 +204,7 @@ export function createRendering({
         ),
       });
     else services.credits?.hideOsmCredit?.(layerState.viewer, LAYER_ID);
+    syncPlacesCredit(layerState.records);
     const records = renderableRecords();
     const keys = new Map(
       records.map((record) => [record.id, renderKey(record)]),
@@ -257,7 +268,7 @@ export function createRendering({
               Cesium.Cartesian3.fromDegrees(lon, lat),
             ),
             width: 2,
-            material: color.withAlpha(0.85),
+            material: new Cesium.ColorMaterialProperty(color.withAlpha(0.85)),
             clampToGround: true,
             classificationType: Cesium.ClassificationType.BOTH,
           },
diff --git a/src/layers/installations/render/cesium/rendering.test.mjs b/src/layers/installations/render/cesium/rendering.test.mjs
new file mode 100644
index 000000000..49b24b948
--- /dev/null
+++ b/src/layers/installations/render/cesium/rendering.test.mjs
@@ -0,0 +1,72 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import * as Cesium from 'cesium';
+import { rgbaFromCss } from '../../../shared/color.js';
+import { createRendering } from './rendering.js';
+
+test('Cesium installation outlines use a valid material and retain ground clamping', () => {
+  const id = 'osm:way:980001';
+  const footprint = [
+    [-122.438, 37.758],
+    [-122.402, 37.758],
+    [-122.402, 37.782],
+    [-122.438, 37.782],
+  ];
+  const record = {
+    id,
+    kind: 'installation',
+    class: 'airfield',
+    name: 'QA Airfield',
+    latitude: 37.77,
+    longitude: -122.42,
+    footprint,
+  };
+  const state = {
+    enabled: true,
+    selectedId: null,
+    records: [record],
+    recordById: new Map([[id, record]]),
+    renderedKeys: new Map(),
+    dataSource: new Cesium.CustomDataSource('military-installations'),
+    viewer: { scene: { globe: { show: false } } },
+  };
+  const services = {
+    ground: { floorAltitudeM: () => 125, cachedGroundFloor: () => ({}) },
+    anchors: { warmFireAnchorFloors: async () => false },
+    render: { governorRequestRender() {} },
+    context: {
+      getSelectedEntityContext: () => null,
+      registerEntityContext() {},
+      removeEntityContextsForLayer() {},
+      selectEntityContext() {},
+    },
+  };
+  const parts = {
+    model: {
+      colorFor: () => rgbaFromCss('#ff8000'),
+      installationSourceLabel: () => 'OpenStreetMap',
+    },
+  };
+  Object.assign(
+    parts,
+    createRendering({ state, services, parts, source: {} }),
+  );
+
+  parts.renderRecords();
+
+  const time = Cesium.JulianDate.now();
+  const marker = state.dataSource.entities.getById(id);
+  const outline = state.dataSource.entities.getById(`${id}:outline:0`);
+  assert.equal(
+    marker.point.heightReference.getValue(time),
+    Cesium.HeightReference.CLAMP_TO_GROUND,
+  );
+  assert.ok(outline.polyline.material instanceof Cesium.ColorMaterialProperty);
+  assert.equal(outline.polyline.clampToGround.getValue(time), true);
+  for (const position of outline.polyline.positions.getValue(time))
+    assert.ok(
+      Math.abs(
+        Cesium.Cartographic.fromCartesian(position).height,
+      ) < 0.01,
+    );
+});
diff --git a/src/layers/installations/selection.js b/src/layers/installations/render/cesium/selection.js
similarity index 96%
rename from src/layers/installations/selection.js
rename to src/layers/installations/render/cesium/selection.js
index 26a4980ef..ac3fc9e33 100644
--- a/src/layers/installations/selection.js
+++ b/src/layers/installations/render/cesium/selection.js
@@ -1,6 +1,6 @@
 import * as Cesium from 'cesium';
-import { isPointerFree } from '../../data/inputOwnership.js';
-import { LAYER_ID } from './policy.js';
+import { isPointerFree } from '../../../../data/inputOwnership.js';
+import { LAYER_ID } from '../../policy.js';
 
 export function createSelection({
   state: layerState,
diff --git a/src/layers/installations/render/navara.js b/src/layers/installations/render/navara.js
new file mode 100644
index 000000000..3eb039bfd
--- /dev/null
+++ b/src/layers/installations/render/navara.js
@@ -0,0 +1,659 @@
+import { Effect, EffectAttribute } from 'postprocessing';
+import * as geo from '../../../geo/index.js';
+import { selectionDispatcherFor } from '../../../data/selectionDispatcher.js';
+import { createInfrastructureOverlayEntry } from '../../../data/infrastructureOverlayEntry.js';
+import {
+  MILITARY_LABEL_CAP,
+  MILITARY_POINT_CAP,
+} from '../../../data/militaryNames.js';
+import { COLOR_BY_CLASS, LAYER_ID, MAX_RENDERED } from '../policy.js';
+import {
+  createInstallationDrapedMesh,
+  createInstallationOutlineDrapedMesh,
+} from './navaraGeometry.js';
+
+const registeredViews = new WeakSet();
+const KEY = 'gevInstallationsDrape';
+const BLACK = [0, 0, 0, 0.8];
+const IDLE_SHADER = /* glsl */ `
+void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor) {
+  outputColor=inputColor;
+}
+`;
+
+function createDrapeEffectClass(EffectDesc, NavaraEffect) {
+  return class InstallationDrapeDesc extends EffectDesc {
+    static key = KEY;
+    static insertAfter = ['mrt'];
+
+    constructor(view, ctx, config) {
+      super(view, ctx, config);
+      this.owner = config[KEY].owner;
+    }
+
+    createPass() {
+      this.effect = new Effect('GevInstallationDrape', IDLE_SHADER, {
+        attributes: EffectAttribute.CONVOLUTION,
+      });
+      return new NavaraEffect(this.view.camera.raw, this.effect);
+    }
+
+    update() {
+      const mrt = this.find('mrt');
+      this.owner.globeNormal.value = mrt?.globeNormalBuffer ?? null;
+      this.owner.globeDepth.value = mrt?.globeDepthBuffer ?? null;
+      const scene = this.ctx.scenes.draped;
+      this.owner.scene = scene;
+      for (const mesh of this.owner.meshes)
+        if (mesh.parent !== scene) scene.add(mesh);
+    }
+
+    onDestroy() {
+      for (const mesh of this.owner.meshes) {
+        if (mesh.parent) mesh.parent.remove(mesh);
+        mesh.geometry.dispose();
+        mesh.material.dispose();
+      }
+      this.owner.meshes.clear();
+      this.owner.scene = null;
+      this.effect?.dispose();
+      super.onDestroy();
+    }
+  };
+}
+
+function createPointSet(engine, { id, sizePx, capacity, order }) {
+  return engine.movers.createSet({
+    id,
+    kind: 'point',
+    capacity,
+    order,
+    depthTest: 'normal',
+    pickable: true,
+    point: { sizePx, outlinePx: 1, outlineColor: BLACK },
+  });
+}
+
+export function createInstallationsNavaraRenderer(
+  engine,
+  {
+    state,
+    services,
+    parts,
+    source,
+    overlayHost,
+    view,
+    EffectDesc,
+    NavaraEffect,
+    DrapedMesh,
+    setupMaterialForDrape,
+  },
+) {
+  if (
+    !engine?.movers ||
+    !view?.registerEffect ||
+    !EffectDesc ||
+    !NavaraEffect ||
+    !DrapedMesh ||
+    !setupMaterialForDrape
+  )
+    throw new TypeError('Installations require a Navara view');
+  if (!registeredViews.has(view)) {
+    view.registerEffect(KEY, createDrapeEffectClass(EffectDesc, NavaraEffect));
+    registeredViews.add(view);
+  }
+
+  const layerState = state;
+  const owner = {
+    meshes: new Set(),
+    scene: null,
+    globeNormal: { value: null },
+    globeDepth: { value: null },
+  };
+  const normalSet = createPointSet(engine, {
+    id: `${LAYER_ID}-normal`,
+    sizePx: 9,
+    capacity: MAX_RENDERED + 1,
+    order: 10,
+  });
+  const selectedSet = createPointSet(engine, {
+    id: `${LAYER_ID}-selected`,
+    sizePx: 13,
+    capacity: 1,
+    order: 11,
+  });
+  const namedSet = createPointSet(engine, {
+    id: `${LAYER_ID}-named`,
+    sizePx: 7,
+    capacity: MILITARY_POINT_CAP,
+    order: 9,
+  });
+  const contextObjects = new Map();
+  const namedRecords = new Map();
+  const selectionMeshes = new Set();
+  const outlinesById = new Map();
+  let drapeHandle = null;
+  let visible = false;
+  let fillRecord = null;
+  let interactionRemove = null;
+  let removeContextListeners = null;
+  let destroyed = false;
+
+  const displayPosition = (record) =>
+    geo.cartesian3.fromDegrees(
+      record.longitude,
+      record.latitude,
+      parts.model.installationSurfaceHeightM(record),
+    );
+  const rgba = (record, selected = false) => {
+    const color = parts.model.colorFor(record);
+    return selected
+      ? [1, 1, 1, 1]
+      : [color.red, color.green, color.blue, color.alpha];
+  };
+  const schedule = () => engine.render.request('installations-render');
+
+  function syncPlacesCredit(records) {
+    const usesPlaces = records.some((record) =>
+      record.sources?.some((item) => item.name === 'Google Maps Places'),
+    );
+    if (usesPlaces)
+      services.credits?.showGooglePlacesCredit?.(engine, LAYER_ID);
+    else services.credits?.hideGooglePlacesCredit?.(engine, LAYER_ID);
+  }
+
+  function replaceOwnedMeshes(previous, next) {
+    for (const mesh of previous) {
+      if (mesh.parent) mesh.parent.remove(mesh);
+      mesh.geometry.dispose();
+      mesh.material.dispose();
+      owner.meshes.delete(mesh);
+    }
+    previous.clear();
+    for (const mesh of next) {
+      previous.add(mesh);
+      owner.meshes.add(mesh);
+    }
+    syncDrapeEffect();
+  }
+
+  function setMeshList(next) {
+    replaceOwnedMeshes(selectionMeshes, next);
+  }
+
+  function syncDrapeEffect() {
+    const show = visible && owner.meshes.size > 0;
+    if (show && !drapeHandle)
+      drapeHandle = view.addEffect({ [KEY]: { owner }, visible: true });
+    else if (drapeHandle) drapeHandle.update({ visible: show });
+  }
+
+  function fillMeshes(record) {
+    const footprints =
+      record.footprints || (record.footprint ? [[record.footprint]] : []);
+    const color = parts.model.colorFor(record).toCssColorString();
+    const meshes = [];
+    for (const rings of footprints) {
+      const mesh = createInstallationDrapedMesh(record, rings, {
+        color,
+        opacity: 0.22,
+        globeNormal: owner.globeNormal,
+        globeDepth: owner.globeDepth,
+        DrapedMesh,
+        setupMaterialForDrape,
+      });
+      if (mesh) meshes.push(mesh);
+    }
+    return meshes;
+  }
+
+  function clearSelectionFill() {
+    fillRecord = null;
+    setMeshList([]);
+  }
+
+  function syncSelectionFill() {
+    const record =
+      layerState.enabled && layerState.recordById.get(layerState.selectedId);
+    if (record === fillRecord) return;
+    fillRecord = record ?? null;
+    setMeshList(record ? fillMeshes(record) : []);
+  }
+
+  function syncOutlines(records) {
+    const canvasHeight = Math.max(1, view.canvas?.clientHeight || 1);
+    const cameraHeight = Math.max(0, engine.camera.height?.() || 0);
+    const fov = ((view.camera?.raw?.fov || 60) * Math.PI) / 180;
+    const widthM = Math.max(
+      1,
+      (2 * cameraHeight * Math.tan(fov / 2) * 2) / canvasHeight,
+    );
+    const desired = new Map(
+      records
+        .filter((record) => !record.pointOnly && !record.namedArea)
+        .map((record) => [record.id, record]),
+    );
+    for (const [id, entry] of outlinesById) {
+      if (desired.get(id) === entry.record && entry.widthM === widthM) continue;
+      replaceOwnedMeshes(entry.meshes, []);
+      outlinesById.delete(id);
+    }
+    for (const [id, record] of desired) {
+      if (outlinesById.has(id)) continue;
+      const lines =
+        record.outlineLines || (record.footprint ? [record.footprint] : []);
+      const meshes = lines
+        .map((line) =>
+          createInstallationOutlineDrapedMesh(record, line, {
+            color: parts.model.colorFor(record).toCssColorString(),
+            widthM,
+            globeNormal: owner.globeNormal,
+            globeDepth: owner.globeDepth,
+            DrapedMesh,
+            setupMaterialForDrape,
+          }),
+        )
+        .filter(Boolean);
+      const owned = new Set(meshes);
+      for (const mesh of owned) owner.meshes.add(mesh);
+      outlinesById.set(id, { record, widthM, meshes: owned });
+    }
+    syncDrapeEffect();
+  }
+
+  function clearOutlines() {
+    for (const entry of outlinesById.values())
+      replaceOwnedMeshes(entry.meshes, []);
+    outlinesById.clear();
+  }
+
+  function registerContext(record) {
+    let context = contextObjects.get(record.id);
+    if (!context) {
+      context = {};
+      contextObjects.set(record.id, context);
+    }
+    context.gevContextId = record.id;
+    context.gevLabelModel = {
+      title: record.name || 'MAPPED INSTALLATION',
+      details: [
+        String(record.class || 'installation')
+          .replaceAll('_', ' ')
+          .toUpperCase(),
+        ...(record.memberNames || []).slice(0, 3),
+      ],
+      accent: COLOR_BY_CLASS[record.class] || '#9ca6b0',
+    };
+    services.context.registerEntityContext(context, {
+      id: record.id,
+      layerId: LAYER_ID,
+      layerName:
+        record.kind === 'place_candidate'
+          ? 'Military Site Search Candidates'
+          : 'Mapped Military Installations',
+      source: parts.model.installationSourceLabel(record),
+      label: record.name,
+      latitude: record.latitude,
+      longitude: record.longitude,
+      properties: {
+        class: record.class,
+        memberNames: record.memberNames || [],
+        primaryType: record.primaryType || null,
+        placeTypes: Array.isArray(record.placeTypes) ? record.placeTypes : [],
+        validation: record.validation,
+        retrievedAt: record.retrievedAt,
+      },
+    });
+    return context;
+  }
+
+  function renderRecords({ claimSelection = false } = {}) {
+    if (destroyed) return;
+    const selectedContext = services.context.getSelectedEntityContext();
+    if (
+      !claimSelection &&
+      layerState.selectedId &&
+      selectedContext?.id !== layerState.selectedId
+    )
+      layerState.selectedId = null;
+    if (
+      layerState.selectedId &&
+      !layerState.recordById.has(layerState.selectedId)
+    ) {
+      const replacement = layerState.records.find((record) =>
+        record.aliasIds?.includes(layerState.selectedId),
+      );
+      layerState.selectedId = replacement?.id ?? null;
+    }
+
+    const records = layerState.records.filter(
+      (record) => !record.pointOnly && !record.namedArea,
+    );
+    const hasOsm = layerState.records.some((record) =>
+      record.sources?.some((item) => item.name === 'OpenStreetMap'),
+    );
+    if (hasOsm)
+      services.credits?.showOsmCredit?.(engine, LAYER_ID, {
+        openMapTiles: layerState.records.some((record) =>
+          record.sources?.some(
+            (item) =>
+              item.name === 'OpenStreetMap' && item.id?.startsWith('tile:'),
+          ),
+        ),
+      });
+    else services.credits?.hideOsmCredit?.(engine, LAYER_ID);
+    syncPlacesCredit(layerState.records);
+    const normal = records
+      .filter((record) => record.id !== layerState.selectedId)
+      .slice(0, MAX_RENDERED);
+    const selected = layerState.records.find(
+      (record) => record.id === layerState.selectedId && !record.pointOnly,
+    );
+    normalSet.setCount(normal.length);
+    for (let index = 0; index < normal.length; index++) {
+      const record = normal[index];
+      normalSet.set(index, {
+        position: displayPosition(record),
+        color: rgba(record),
+        pickId: record.id,
+      });
+    }
+    selectedSet.setCount(selected ? 1 : 0);
+    if (selected)
+      selectedSet.set(0, {
+        position: displayPosition(selected),
+        color: rgba(selected, true),
+        pickId: selected.id,
+      });
+    normalSet.commit();
+    selectedSet.commit();
+
+    const retainIds = new Set(
+      [...normal, ...(selected ? [selected] : [])].map((r) => r.id),
+    );
+    for (const record of [...normal, ...(selected ? [selected] : [])]) {
+      const entity = registerContext(record);
+      if (
+        record.id === layerState.selectedId &&
+        (claimSelection || !selectedContext)
+      )
+        services.context.selectEntityContext(entity);
+    }
+    services.context.removeEntityContextsForLayer(LAYER_ID, { retainIds });
+    parts.namedMarkers.sync(layerState.records);
+    syncOutlines([...normal, ...(selected ? [selected] : [])]);
+    syncSelectionFill();
+    schedule();
+  }
+
+  function selectRecord(id) {
+    if (!layerState.recordById.has(id)) return false;
+    layerState.selectedId = id;
+    renderRecords({ claimSelection: true });
+    return true;
+  }
+
+  function deselect() {
+    if (!layerState.selectedId) return;
+    layerState.selectedId = null;
+    services.context.clearSelectedEntityContextForLayer(LAYER_ID);
+    renderRecords();
+  }
+
+  const namedMarkers = {
+    enable() {
+      namedSet.setCount(namedRecords.size);
+      overlayHost.setVisible(LAYER_ID, true);
+    },
+    hide() {
+      namedSet.setCount(0);
+      namedSet.commit();
+      overlayHost.clearSource(LAYER_ID);
+      overlayHost.setVisible(LAYER_ID, false);
+    },
+    sync(records) {
+      namedRecords.clear();
+      const named = records
+        .filter((record) => record.namedArea || record.pointOnly)
+        .sort((a, b) => b.areaM2 - a.areaM2)
+        .slice(0, MILITARY_POINT_CAP);
+      const entries = [];
+      for (let index = 0; index < named.length; index++) {
+        const record = named[index];
+        namedRecords.set(record.id, record);
+        const position = geo.cartesian3.fromDegrees(
+          record.longitude,
+          record.latitude,
+          record.pointOnly ? 0 : parts.model.installationSurfaceHeightM(record),
+        );
+        namedSet.set(index, {
+          position,
+          color: rgba(record),
+          pickId: record.id,
+        });
+        const entry = createInfrastructureOverlayEntry({
+          id: record.id,
+          source: LAYER_ID,
+          position,
+          title: record.name,
+          priority: record.areaM2 || 0,
+          accent: COLOR_BY_CLASS[record.class] || '#9ca6b0',
+        });
+        const selected = record.id === layerState.selectedId;
+        entry.variant = selected ? 'selected' : 'card';
+        entry.selected = selected;
+        entry.details = selected
+          ? [
+              String(record.class || 'installation')
+                .replaceAll('_', ' ')
+                .toUpperCase(),
+              ...(record.memberNames || []).slice(0, 3),
+            ]
+          : [];
+        entries.push(entry);
+      }
+      namedSet.setCount(visible ? named.length : 0);
+      namedSet.commit();
+      overlayHost.setEntries(LAYER_ID, entries, {
+        cohortLimit: MILITARY_POINT_CAP,
+        collisionCapacity: MILITARY_LABEL_CAP,
+        maxVisible: MILITARY_LABEL_CAP - (layerState.selectedId ? 1 : 0),
+        moving: false,
+        visible,
+      });
+    },
+    visit(visitor) {
+      for (const record of namedRecords.values())
+        visitor(record.id, {
+          position: geo.cartesian3.fromDegrees(
+            record.longitude,
+            record.latitude,
+          ),
+        });
+    },
+    stats: () => ({
+      namedMarkers: namedRecords.size,
+      pointsOnScreen: 0,
+      labelsOnScreen: 0,
+      labelCap: MILITARY_LABEL_CAP,
+    }),
+    destroy() {
+      this.hide();
+      namedRecords.clear();
+      namedSet.destroy();
+    },
+  };
+
+  const rendering = {
+    installationSurfaceHeightM: parts.model.installationSurfaceHeightM,
+    clearSelectionFill,
+    syncSelectionFill,
+    clearRendered() {
+      normalSet.setCount(0);
+      selectedSet.setCount(0);
+      normalSet.commit();
+      selectedSet.commit();
+      clearOutlines();
+      clearSelectionFill();
+      services.context.removeEntityContextsForLayer(LAYER_ID);
+      contextObjects.clear();
+    },
+    renderableRecords() {
+      const records = layerState.records
+        .filter((record) => !record.pointOnly && !record.namedArea)
+        .slice(0, MAX_RENDERED);
+      const selected = layerState.recordById.get(layerState.selectedId);
+      return selected && !records.some((record) => record.id === selected.id)
+        ? [...records, selected]
+        : records;
+    },
+    renderRecords,
+    warmInstallationFloors(records) {
+      const cold = records
+        .filter(
+          (record) =>
+            services.ground.cachedGroundFloor(
+              record.latitude,
+              record.longitude,
+            ) == null,
+        )
+        .map((record) => ({ lat: record.latitude, lon: record.longitude }));
+      if (!cold.length) return;
+      services.anchors.warmFireAnchorFloors(cold).then(() => {
+        if (!layerState.enabled || destroyed) return;
+        if (
+          cold.some(
+            (point) =>
+              services.ground.cachedGroundFloor(point.lat, point.lon) != null,
+          )
+        )
+          renderRecords();
+      });
+    },
+  };
+
+  const selection = {
+    selectRecord,
+    installInteraction() {
+      if (interactionRemove) return;
+      const dispatcher = selectionDispatcherFor(engine);
+      if (!dispatcher)
+        throw new Error('Installation selection dispatcher unavailable');
+      interactionRemove = dispatcher.register(LAYER_ID, {
+        owns: (id) => layerState.recordById.has(id),
+        onSelect: selectRecord,
+        onEmptyClick: deselect,
+      });
+      layerState.clickHandler = { destroy: interactionRemove };
+      const events = [
+        'gev:entity-selected',
+        'gev:entity-selection-cleared',
+        'gev:awareness-subject-selected',
+      ];
+      const sync = (event) => {
+        if (!layerState.enabled) return;
+        const selected =
+          event?.type === 'gev:awareness-subject-selected'
+            ? event.detail
+            : services.context.getSelectedEntityContext();
+        const next =
+          selected?.layerId === LAYER_ID &&
+          layerState.recordById.has(selected.id)
+            ? selected.id
+            : null;
+        if (next === layerState.selectedId) return;
+        layerState.selectedId = next;
+        renderRecords();
+      };
+      for (const event of events)
+        globalThis.window?.addEventListener?.(event, sync);
+      removeContextListeners = () => {
+        for (const event of events)
+          globalThis.window?.removeEventListener?.(event, sync);
+      };
+    },
+    destroy() {
+      interactionRemove?.();
+      interactionRemove = null;
+      removeContextListeners?.();
+      removeContextListeners = null;
+    },
+  };
+
+  const lifecycle = {
+    methods: {
+      init(viewer, { engine: initEngine = engine } = {}) {
+        layerState.viewer = viewer;
+        layerState.engine = initEngine;
+        const cameraChanged = () => {
+          if (!layerState.contextAnchor) parts.viewport.scheduleLoad();
+        };
+        layerState.moveEndRemove =
+          engine.camera.moveEnd.addEventListener(cameraChanged);
+        layerState.changedRemove =
+          engine.camera.changed.addEventListener(cameraChanged);
+        selection.installInteraction(engine);
+      },
+      enable() {
+        visible = true;
+        layerState.enabled = true;
+        for (const set of [normalSet, selectedSet]) set.setCount(0);
+        normalSet.commit();
+        selectedSet.commit();
+        namedMarkers.enable();
+        namedMarkers.sync(layerState.records || []);
+        services.picking.registerPickOwner(LAYER_ID, (id) =>
+          layerState.recordById.has(id),
+        );
+        renderRecords();
+      },
+      disable() {
+        visible = false;
+        layerState.enabled = false;
+        services.credits?.hideOsmCredit?.(engine, LAYER_ID);
+        syncPlacesCredit([]);
+        namedMarkers.hide();
+        layerState.contextAnchor = null;
+        layerState.contextPosition = null;
+        layerState.coverage = { kind: 'viewport' };
+        layerState.cameraLoadKey = null;
+        layerState.cameraLoadOwner = null;
+        services.picking.unregisterPickOwner(LAYER_ID);
+        parts.viewport.clearUnavailableRetry();
+        clearTimeout(layerState.timer);
+        layerState.abort?.abort();
+        layerState.abort = null;
+        layerState.loading = false;
+        normalSet.setCount(0);
+        selectedSet.setCount(0);
+        normalSet.commit();
+        selectedSet.commit();
+        clearOutlines();
+        clearSelectionFill();
+        services.context.clearSelectedEntityContextForLayer(LAYER_ID);
+        layerState.selectedId = null;
+        parts.ingestion.setInstallationStatus('idle');
+      },
+      destroy() {
+        source.destroy?.();
+        this.disable();
+        layerState.moveEndRemove?.();
+        layerState.changedRemove?.();
+        layerState.moveEndRemove = layerState.changedRemove = null;
+        selection.destroy();
+        rendering.clearRendered();
+        namedMarkers.destroy();
+        drapeHandle?.destroy();
+        drapeHandle = null;
+        normalSet.destroy();
+        selectedSet.destroy();
+        owner.scene = null;
+        layerState.viewer = null;
+        layerState.engine = null;
+        destroyed = true;
+      },
+    },
+  };
+
+  return { lifecycle, namedMarkers, rendering, selection };
+}
diff --git a/src/layers/installations/render/navara.test.mjs b/src/layers/installations/render/navara.test.mjs
new file mode 100644
index 000000000..b8900689c
--- /dev/null
+++ b/src/layers/installations/render/navara.test.mjs
@@ -0,0 +1,147 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { Mesh } from 'three';
+import { createInstallationsNavaraRenderer } from './navara.js';
+
+test('selected installation fill is reused and removed with its scene resources', () => {
+  const record = {
+    id: 'osm:way:12',
+    longitude: 179.9,
+    latitude: 70,
+    class: 'military_land',
+    footprint: [
+      [179.88, 69.99],
+      [179.92, 69.99],
+      [179.92, 70.01],
+      [179.88, 70.01],
+    ],
+  };
+  const state = {
+    enabled: true,
+    records: [record],
+    recordById: new Map([[record.id, record]]),
+    selectedId: null,
+  };
+  const color = {
+    red: 0.6,
+    green: 0.6,
+    blue: 0.6,
+    alpha: 1,
+    toCssColorString: () => '#9ca6b0',
+  };
+  const contexts = new Map();
+  let selectedContext = null;
+  const services = {
+    context: {
+      getSelectedEntityContext: () => selectedContext,
+      registerEntityContext: (entity, value) => contexts.set(value.id, entity),
+      selectEntityContext: (entity) => {
+        selectedContext = {
+          id: entity.gevContextId,
+          layerId: 'military-installations',
+        };
+      },
+      removeEntityContextsForLayer() {},
+    },
+    picking: { registerPickOwner() {}, unregisterPickOwner() {} },
+  };
+  const sets = [];
+  const engine = {
+    movers: {
+      createSet(options) {
+        const set = {
+          options,
+          setCount() {},
+          set() {},
+          commit() {},
+          destroy() {},
+        };
+        sets.push(set);
+        return set;
+      },
+    },
+    camera: { height: () => 1_000 },
+    render: { request() {} },
+  };
+  let effectConfig;
+  const view = {
+    canvas: { clientHeight: 800 },
+    camera: { raw: { fov: 60 } },
+    registerEffect() {},
+    addEffect(config) {
+      effectConfig = config;
+      return { update() {}, destroy() {} };
+    },
+  };
+  let meshCount = 0;
+  class TestDrapedMesh extends Mesh {
+    constructor(geometry, material) {
+      super(geometry, material);
+      meshCount++;
+    }
+  }
+  class TestEffectDesc {}
+  const parts = {
+    model: {
+      colorFor: () => color,
+      installationSurfaceHeightM: () => 0,
+      installationSourceLabel: () => 'OpenStreetMap',
+    },
+    namedMarkers: { sync() {}, enable() {}, hide() {}, destroy() {} },
+  };
+  const renderer = createInstallationsNavaraRenderer(engine, {
+    state,
+    services,
+    parts,
+    source: {},
+    overlayHost: {
+      setVisible() {},
+      setEntries() {},
+      clearSource() {},
+    },
+    view,
+    EffectDesc: TestEffectDesc,
+    NavaraEffect: class {},
+    DrapedMesh: TestDrapedMesh,
+    setupMaterialForDrape() {},
+  });
+
+  renderer.lifecycle.methods.enable();
+  assert.equal(
+    meshCount,
+    1,
+    'the ordinary outline is present before selection',
+  );
+  assert.equal(renderer.selection.selectRecord(record.id), true);
+  assert.equal(meshCount, 2, 'selection adds one fill beside the outline');
+  const mesh = [...effectConfig.gevInstallationsDrape.owner.meshes].find(
+    (item) => !item.userData.installationOutline,
+  );
+  let disposed = false;
+  mesh.geometry.addEventListener('dispose', () => {
+    disposed = true;
+  });
+  const scene = {
+    add(child) {
+      child.parent = this;
+    },
+    remove(child) {
+      child.parent = null;
+    },
+  };
+  scene.add(mesh);
+  renderer.rendering.renderRecords();
+  assert.equal(meshCount, 2, 'an unchanged selection keeps its geometry');
+
+  renderer.rendering.clearSelectionFill();
+  assert.equal(mesh.parent, null);
+  assert.equal(disposed, true);
+  assert.equal(
+    [...effectConfig.gevInstallationsDrape.owner.meshes].some(
+      (item) => item.userData.installationOutline,
+    ),
+    true,
+    'clearing selection preserves the ordinary outline',
+  );
+  assert.equal(sets.length, 3);
+});
diff --git a/src/layers/installations/render/navaraGeometry.js b/src/layers/installations/render/navaraGeometry.js
new file mode 100644
index 000000000..2fa710429
--- /dev/null
+++ b/src/layers/installations/render/navaraGeometry.js
@@ -0,0 +1,200 @@
+import {
+  DoubleSide,
+  ExtrudeGeometry,
+  MeshLambertMaterial,
+  Path,
+  Shape,
+} from 'three';
+import * as geo from '../../../geo/index.js';
+
+export const INSTALLATION_DRAPE_DEPTH_M = 40000;
+
+function localPoint([longitude, latitude], origin, axes) {
+  const point = geo.cartesian3.fromDegrees(longitude, latitude);
+  const delta = geo.cartesian3.subtract(point, origin, geo.cartesian3.create());
+  return {
+    x: geo.cartesian3.dot(delta, axes.east),
+    y: geo.cartesian3.dot(delta, axes.north),
+  };
+}
+
+function addRing(path, ring, origin, axes) {
+  const points = ring.map((point) => localPoint(point, origin, axes));
+  if (points.length < 3) return false;
+  path.moveTo(points[0].x, points[0].y);
+  for (const point of points.slice(1)) path.lineTo(point.x, point.y);
+  path.closePath();
+  return true;
+}
+
+function offsetLine(line, halfWidth, origin, axes) {
+  const points = [];
+  for (const point of line) {
+    const local = localPoint(point, origin, axes);
+    const previous = points.at(-1);
+    if (
+      !previous ||
+      Math.hypot(local.x - previous.x, local.y - previous.y) >= 0.01
+    )
+      points.push(local);
+  }
+  const closed =
+    points.length > 2 &&
+    Math.hypot(points[0].x - points.at(-1).x, points[0].y - points.at(-1).y) <
+      1;
+  if (closed) points.pop();
+  if (points.length < 2) return null;
+
+  const side = (index, direction) => {
+    const previous = points[index === 0 ? points.length - 1 : index - 1];
+    const current = points[index];
+    const next = points[index === points.length - 1 ? 0 : index + 1];
+    const before = { x: current.x - previous.x, y: current.y - previous.y };
+    const after = { x: next.x - current.x, y: next.y - current.y };
+    const beforeLength = Math.hypot(before.x, before.y);
+    const afterLength = Math.hypot(after.x, after.y);
+    const beforeNormal = {
+      x: -before.y / beforeLength,
+      y: before.x / beforeLength,
+    };
+    const afterNormal = { x: -after.y / afterLength, y: after.x / afterLength };
+    if (!closed && (index === 0 || index === points.length - 1)) {
+      const normal = index === 0 ? afterNormal : beforeNormal;
+      return {
+        x: current.x + normal.x * halfWidth * direction,
+        y: current.y + normal.y * halfWidth * direction,
+      };
+    }
+    const miter = {
+      x: beforeNormal.x + afterNormal.x,
+      y: beforeNormal.y + afterNormal.y,
+    };
+    const length = Math.hypot(miter.x, miter.y);
+    if (length < 1e-6)
+      return {
+        x: current.x + afterNormal.x * halfWidth * direction,
+        y: current.y + afterNormal.y * halfWidth * direction,
+      };
+    miter.x /= length;
+    miter.y /= length;
+    const denominator = miter.x * afterNormal.x + miter.y * afterNormal.y;
+    const distance =
+      halfWidth * Math.min(4, 1 / Math.max(0.25, Math.abs(denominator)));
+    return {
+      x: current.x + miter.x * distance * direction,
+      y: current.y + miter.y * distance * direction,
+    };
+  };
+
+  const outer = points.map((_, index) => side(index, 1));
+  if (!closed) {
+    const inner = points.map((_, index) => side(index, -1)).reverse();
+    return [...outer, ...inner];
+  }
+  return { outer, inner: points.map((_, index) => side(index, -1)) };
+}
+
+/** Build a real DrapedMesh volume for one footprint, including its holes. */
+export function createInstallationDrapedMesh(
+  record,
+  rings,
+  {
+    color,
+    opacity = 0.22,
+    globeNormal,
+    globeDepth,
+    DrapedMesh,
+    setupMaterialForDrape,
+  },
+) {
+  const origin = geo.cartesian3.fromDegrees(record.longitude, record.latitude);
+  const frame = geo.transforms.eastNorthUpToFixedFrame(origin);
+  const axes = {
+    east: geo.cartesian3.create(frame[0], frame[1], frame[2]),
+    north: geo.cartesian3.create(frame[4], frame[5], frame[6]),
+  };
+  const shape = new Shape();
+  if (!addRing(shape, rings[0] || [], origin, axes)) return null;
+  for (const ring of rings.slice(1)) {
+    const hole = new Path();
+    if (addRing(hole, ring, origin, axes)) shape.holes.push(hole);
+  }
+
+  const geometry = new ExtrudeGeometry(shape, {
+    depth: INSTALLATION_DRAPE_DEPTH_M,
+    bevelEnabled: false,
+    steps: 1,
+    curveSegments: 1,
+  });
+  geometry.translate(0, 0, -INSTALLATION_DRAPE_DEPTH_M / 2);
+  const material = new MeshLambertMaterial({
+    color,
+    opacity,
+    transparent: opacity < 1,
+    depthWrite: false,
+    side: DoubleSide,
+  });
+  setupMaterialForDrape?.(material, globeNormal, globeDepth);
+  const mesh = new DrapedMesh(geometry, material);
+  mesh.matrix.fromArray(frame);
+  mesh.matrixAutoUpdate = false;
+  mesh.matrixWorldNeedsUpdate = true;
+  mesh.userData.installationId = record.id;
+  return mesh;
+}
+
+/** Build a ground-classified, fixed-world-width ribbon around a native outline. */
+export function createInstallationOutlineDrapedMesh(
+  record,
+  line,
+  { color, widthM, globeNormal, globeDepth, DrapedMesh, setupMaterialForDrape },
+) {
+  const origin = geo.cartesian3.fromDegrees(record.longitude, record.latitude);
+  const frame = geo.transforms.eastNorthUpToFixedFrame(origin);
+  const axes = {
+    east: geo.cartesian3.create(frame[0], frame[1], frame[2]),
+    north: geo.cartesian3.create(frame[4], frame[5], frame[6]),
+  };
+  const outline = offsetLine(line, Math.max(1, widthM / 2), origin, axes);
+  if (!outline) return null;
+
+  const shape = new Shape();
+  const addLocalRing = (path, points) => {
+    if (points.length < 3) return false;
+    path.moveTo(points[0].x, points[0].y);
+    for (const point of points.slice(1)) path.lineTo(point.x, point.y);
+    path.closePath();
+    return true;
+  };
+  if (Array.isArray(outline)) {
+    if (!addLocalRing(shape, outline)) return null;
+  } else {
+    if (!addLocalRing(shape, outline.outer)) return null;
+    const hole = new Path();
+    if (addLocalRing(hole, outline.inner.slice().reverse()))
+      shape.holes.push(hole);
+  }
+
+  const geometry = new ExtrudeGeometry(shape, {
+    depth: INSTALLATION_DRAPE_DEPTH_M,
+    bevelEnabled: false,
+    steps: 1,
+    curveSegments: 1,
+  });
+  geometry.translate(0, 0, -INSTALLATION_DRAPE_DEPTH_M / 2);
+  const material = new MeshLambertMaterial({
+    color,
+    opacity: 0.85,
+    transparent: true,
+    depthWrite: false,
+    side: DoubleSide,
+  });
+  setupMaterialForDrape?.(material, globeNormal, globeDepth);
+  const mesh = new DrapedMesh(geometry, material);
+  mesh.matrix.fromArray(frame);
+  mesh.matrixAutoUpdate = false;
+  mesh.matrixWorldNeedsUpdate = true;
+  mesh.userData.installationId = record.id;
+  mesh.userData.installationOutline = true;
+  return mesh;
+}
diff --git a/src/layers/installations/render/navaraGeometry.test.mjs b/src/layers/installations/render/navaraGeometry.test.mjs
new file mode 100644
index 000000000..203cad5b0
--- /dev/null
+++ b/src/layers/installations/render/navaraGeometry.test.mjs
@@ -0,0 +1,136 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { Mesh, MeshLambertMaterial } from 'three';
+import * as geo from '../../../geo/index.js';
+import {
+  createInstallationDrapedMesh,
+  createInstallationOutlineDrapedMesh,
+  INSTALLATION_DRAPE_DEPTH_M,
+} from './navaraGeometry.js';
+
+const record = {
+  id: 'osm:way:12',
+  longitude: 179.9,
+  latitude: 70,
+};
+const texture = { value: null };
+class TestDrapedMesh extends Mesh {
+  constructor(geometry, material) {
+    super(geometry, material);
+    this.drapedEnable = true;
+  }
+}
+
+test('installation footprint becomes an engine DrapedMesh with hole and ground refs', () => {
+  const mesh = createInstallationDrapedMesh(
+    record,
+    [
+      [
+        [179.88, 69.99],
+        [179.92, 69.99],
+        [179.92, 70.01],
+        [179.88, 70.01],
+      ],
+      [
+        [179.895, 69.995],
+        [179.905, 69.995],
+        [179.905, 70.005],
+        [179.895, 70.005],
+      ],
+    ],
+    {
+      color: '#9ca6b0',
+      opacity: 0.22,
+      globeNormal: texture,
+      globeDepth: texture,
+      DrapedMesh: TestDrapedMesh,
+      setupMaterialForDrape: (material, normal, depth) => {
+        material.userData.drapeRefs = [normal, depth];
+      },
+    },
+  );
+
+  assert.ok(mesh instanceof TestDrapedMesh);
+  assert.ok(mesh.material instanceof MeshLambertMaterial);
+  assert.equal(mesh.userData.installationId, record.id);
+  assert.equal(mesh.geometry.parameters.shapes.holes.length, 1);
+  mesh.geometry.computeBoundingBox();
+  assert.equal(
+    mesh.geometry.boundingBox.max.z - mesh.geometry.boundingBox.min.z,
+    INSTALLATION_DRAPE_DEPTH_M,
+  );
+  assert.deepEqual(mesh.material.userData.drapeRefs, [texture, texture]);
+  assert.equal(mesh.matrixAutoUpdate, false);
+  assert.deepEqual(
+    [
+      mesh.matrix.elements[12],
+      mesh.matrix.elements[13],
+      mesh.matrix.elements[14],
+    ],
+    Object.values(
+      geo.cartesian3.fromDegrees(record.longitude, record.latitude),
+    ),
+  );
+  mesh.geometry.dispose();
+  mesh.material.dispose();
+});
+
+test('invalid installation footprint rings do not allocate a mesh', () => {
+  assert.equal(
+    createInstallationDrapedMesh(
+      record,
+      [
+        [
+          [0, 0],
+          [1, 1],
+        ],
+      ],
+      {
+        color: '#9ca6b0',
+        globeNormal: texture,
+        globeDepth: texture,
+        DrapedMesh: TestDrapedMesh,
+        setupMaterialForDrape() {},
+      },
+    ),
+    null,
+  );
+});
+
+test('ordinary installation outlines are draped ribbons across the date line', () => {
+  const mesh = createInstallationOutlineDrapedMesh(
+    record,
+    [
+      [179.88, 69.99],
+      [-179.92, 69.99],
+      [-179.92, 70.01],
+      [179.88, 70.01],
+      [179.88, 69.99],
+    ],
+    {
+      color: '#9ca6b0',
+      widthM: 12,
+      globeNormal: texture,
+      globeDepth: texture,
+      DrapedMesh: TestDrapedMesh,
+      setupMaterialForDrape: (material, normal, depth) => {
+        material.userData.drapeRefs = [normal, depth];
+      },
+    },
+  );
+
+  assert.ok(mesh instanceof TestDrapedMesh);
+  assert.equal(mesh.userData.installationOutline, true);
+  assert.equal(mesh.geometry.parameters.shapes.holes.length, 1);
+  mesh.geometry.computeBoundingBox();
+  assert.ok(
+    mesh.geometry.boundingBox.max.x - mesh.geometry.boundingBox.min.x < 20_000,
+  );
+  assert.equal(
+    mesh.geometry.boundingBox.max.z - mesh.geometry.boundingBox.min.z,
+    INSTALLATION_DRAPE_DEPTH_M,
+  );
+  assert.deepEqual(mesh.material.userData.drapeRefs, [texture, texture]);
+  mesh.geometry.dispose();
+  mesh.material.dispose();
+});
diff --git a/src/layers/installations/selection.test.mjs b/src/layers/installations/selection.test.mjs
index b66f1d91b..051537903 100644
--- a/src/layers/installations/selection.test.mjs
+++ b/src/layers/installations/selection.test.mjs
@@ -2,9 +2,9 @@ import test from 'node:test';
 import assert from 'node:assert/strict';
 import * as Cesium from 'cesium';
 import * as context from '../../data/contextStore.js';
-import { createSelection } from './selection.js';
-import { createRendering } from './rendering.js';
-import { createNamedMarkers } from './namedMarkers.js';
+import { createSelection } from './render/cesium/selection.js';
+import { createRendering } from './render/cesium/rendering.js';
+import { createNamedMarkers } from './render/cesium/namedMarkers.js';
 
 function harness(t) {
   const previousWindow = globalThis.window;
diff --git a/src/layers/installations/selectionFill.test.mjs b/src/layers/installations/selectionFill.test.mjs
index e3a29c376..c37e65b6a 100644
--- a/src/layers/installations/selectionFill.test.mjs
+++ b/src/layers/installations/selectionFill.test.mjs
@@ -1,8 +1,8 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import * as C from 'cesium';
-import { createRendering } from './rendering.js';
-import { createLifecycle } from './lifecycle.js';
+import { createRendering } from './render/cesium/rendering.js';
+import { createLifecycle } from './render/cesium/lifecycle.js';
 
 function harness() {
   const ring = [[-97, 30], [-96.99, 30], [-96.99, 30.01], [-97, 30]];
diff --git a/src/overlays/worldOverlay.test.mjs b/src/overlays/worldOverlay.test.mjs
index 0a3b6e340..ab13d9df3 100644
--- a/src/overlays/worldOverlay.test.mjs
+++ b/src/overlays/worldOverlay.test.mjs
@@ -1,4 +1,4 @@
-import { createNamedMarkers } from '../layers/installations/namedMarkers.js';
+import { createNamedMarkers } from '../layers/installations/render/cesium/namedMarkers.js';
 import { expandApplicationHtml } from '../../build/application-html.js';
 import { readStylesheet } from '../testSupport/readStylesheet.mjs';
 import test from 'node:test';
diff --git a/src/sources/militaryTileGeometry.test.mjs b/src/sources/militaryTileGeometry.test.mjs
index 5ea38dddd..61ff32d8f 100644
--- a/src/sources/militaryTileGeometry.test.mjs
+++ b/src/sources/militaryTileGeometry.test.mjs
@@ -188,7 +188,7 @@ test('distinct named bases separated by one seam quantization step retain separa
 test('named A+B to B to A+B preserves canonical identity, parent title and selection', async () => {
   const C = await import('cesium');
   const { createRendering } =
-    await import('../layers/installations/rendering.js');
+    await import('../layers/installations/render/cesium/rendering.js');
   const aliases = new Map();
   const named = (n, footprint, areaM2) =>
     record(String(n * 10 + 2), footprint, {
@@ -260,7 +260,7 @@ test('named A+B to B to A+B preserves canonical identity, parent title and selec
 test('cold names reconcile selection through enrichment, identical groups at another zoom and wide-point handoff', async () => {
   const C = await import('cesium');
   const { createRendering } =
-    await import('../layers/installations/rendering.js');
+    await import('../layers/installations/render/cesium/rendering.js');
   const { retainNamedHandoff } =
     await import('../layers/installations/ingestion.js');
   const aliases = new Map();