diff --git a/game/db/gamedb.py b/game/db/gamedb.py
index 8bebdd04..04a084de 100644
--- a/game/db/gamedb.py
+++ b/game/db/gamedb.py
@@ -4,10 +4,11 @@ from .database import Database
 
 if TYPE_CHECKING:
     from game.ato import Flight
-    from game.theater import FrontLine
+    from game.theater import FrontLine, TheaterGroundObject
 
 
 class GameDb:
     def __init__(self) -> None:
         self.flights: Database[Flight] = Database()
         self.front_lines: Database[FrontLine] = Database()
+        self.tgos: Database[TheaterGroundObject] = Database()
diff --git a/game/game.py b/game/game.py
index f5d1714e..b145d4ee 100644
--- a/game/game.py
+++ b/game/game.py
@@ -278,6 +278,8 @@ class Game:
 
         for control_point in self.theater.controlpoints:
             control_point.initialize_turn_0()
+            for tgo in control_point.connected_objectives:
+                self.db.tgos.add(tgo.id, tgo)
 
         self.blue.preinit_turn_0()
         self.red.preinit_turn_0()
diff --git a/game/server/app.py b/game/server/app.py
index 9c26cc8a..6b43003e 100644
--- a/game/server/app.py
+++ b/game/server/app.py
@@ -9,7 +9,7 @@ from . import (
     frontlines,
     mapzones,
     navmesh,
-    packagedialog,
+    qt,
     supplyroutes,
     tgos,
     waypoints,
@@ -29,7 +29,7 @@ app.include_router(flights.router)
 app.include_router(frontlines.router)
 app.include_router(mapzones.router)
 app.include_router(navmesh.router)
-app.include_router(packagedialog.router)
+app.include_router(qt.router)
 app.include_router(supplyroutes.router)
 app.include_router(tgos.router)
 app.include_router(waypoints.router)
diff --git a/game/server/dependencies.py b/game/server/dependencies.py
index f7e5ca55..9f8339d9 100644
--- a/game/server/dependencies.py
+++ b/game/server/dependencies.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from typing import Callable, TYPE_CHECKING
 
-from game.theater import MissionTarget
+from game.theater import MissionTarget, TheaterGroundObject
 
 if TYPE_CHECKING:
     from game import Game
@@ -28,8 +28,13 @@ class GameContext:
 
 
 class QtCallbacks:
-    def __init__(self, create_new_package: Callable[[MissionTarget], None]) -> None:
+    def __init__(
+        self,
+        create_new_package: Callable[[MissionTarget], None],
+        show_tgo_info: Callable[[TheaterGroundObject], None],
+    ) -> None:
         self.create_new_package = create_new_package
+        self.show_tgo_info = show_tgo_info
 
 
 class QtContext:
diff --git a/game/server/eventstream/models.py b/game/server/eventstream/models.py
index 5a6c4db7..59e1d9a8 100644
--- a/game/server/eventstream/models.py
+++ b/game/server/eventstream/models.py
@@ -31,6 +31,7 @@ class GameUpdateEventsJs(BaseModel):
     new_front_lines: list[FrontLineJs]
     updated_front_lines: set[UUID]
     deleted_front_lines: set[UUID]
+    updated_tgos: set[UUID]
 
     @classmethod
     def from_events(cls, events: GameUpdateEvents, game: Game) -> GameUpdateEventsJs:
@@ -62,4 +63,5 @@ class GameUpdateEventsJs(BaseModel):
             ],
             updated_front_lines=events.updated_front_lines,
             deleted_front_lines=events.deleted_front_lines,
+            updated_tgos=events.updated_tgos,
         )
diff --git a/game/server/packagedialog/routes.py b/game/server/packagedialog/routes.py
deleted file mode 100644
index ec718389..00000000
--- a/game/server/packagedialog/routes.py
+++ /dev/null
@@ -1,18 +0,0 @@
-from uuid import UUID
-
-from fastapi import APIRouter, Depends
-
-from game import Game
-from ..dependencies import GameContext, QtCallbacks, QtContext
-
-router: APIRouter = APIRouter(prefix="/package-dialog")
-
-
-@router.post("/front-line/{front_line_id}")
-def new_front_line_package(
-    front_line_id: UUID,
-    game: Game = Depends(GameContext.get),
-    qt: QtCallbacks = Depends(QtContext.get),
-) -> None:
-    front_line = game.db.front_lines.get(front_line_id)
-    qt.create_new_package(front_line)
diff --git a/game/server/packagedialog/__init__.py b/game/server/qt/__init__.py
similarity index 100%
rename from game/server/packagedialog/__init__.py
rename to game/server/qt/__init__.py
diff --git a/game/server/qt/routes.py b/game/server/qt/routes.py
new file mode 100644
index 00000000..69c9ea22
--- /dev/null
+++ b/game/server/qt/routes.py
@@ -0,0 +1,35 @@
+from uuid import UUID
+
+from fastapi import APIRouter, Depends
+
+from game import Game
+from ..dependencies import GameContext, QtCallbacks, QtContext
+
+router: APIRouter = APIRouter(prefix="/qt")
+
+
+@router.post("/create-package/front-line/{front_line_id}")
+def new_front_line_package(
+    front_line_id: UUID,
+    game: Game = Depends(GameContext.get),
+    qt: QtCallbacks = Depends(QtContext.get),
+) -> None:
+    qt.create_new_package(game.db.front_lines.get(front_line_id))
+
+
+@router.post("/create-package/tgo/{tgo_id}")
+def new_tgo_package(
+    tgo_id: UUID,
+    game: Game = Depends(GameContext.get),
+    qt: QtCallbacks = Depends(QtContext.get),
+) -> None:
+    qt.create_new_package(game.db.tgos.get(tgo_id))
+
+
+@router.post("/info/tgo/{tgo_id}")
+def show_tgo_info(
+    tgo_id: UUID,
+    game: Game = Depends(GameContext.get),
+    qt: QtCallbacks = Depends(QtContext.get),
+) -> None:
+    qt.show_tgo_info(game.db.tgos.get(tgo_id))
diff --git a/game/server/tgos/models.py b/game/server/tgos/models.py
index 2ae03098..3c34135b 100644
--- a/game/server/tgos/models.py
+++ b/game/server/tgos/models.py
@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from uuid import UUID
+
 from pydantic import BaseModel
 
 from game.server.leaflet import LeafletPoint
@@ -7,16 +9,17 @@ from game.theater import TheaterGroundObject
 
 
 class TgoJs(BaseModel):
+    id: UUID
     name: str
     control_point_name: str
     category: str
     blue: bool
     position: LeafletPoint
-    units: list[str]
-    threat_ranges: list[float]
-    detection_ranges: list[float]
-    dead: bool
-    sidc: str
+    units: list[str]  # TODO: Event stream
+    threat_ranges: list[float]  # TODO: Event stream
+    detection_ranges: list[float]  # TODO: Event stream
+    dead: bool  # TODO: Event stream
+    sidc: str  # TODO: Event stream
 
     @staticmethod
     def for_tgo(tgo: TheaterGroundObject) -> TgoJs:
@@ -29,6 +32,7 @@ class TgoJs(BaseModel):
                 tgo.detection_range(group).meters for group in tgo.groups
             ]
         return TgoJs(
+            id=tgo.id,
             name=tgo.name,
             control_point_name=tgo.control_point.name,
             category=tgo.category,
diff --git a/game/server/tgos/routes.py b/game/server/tgos/routes.py
index d9fc9986..813d1d30 100644
--- a/game/server/tgos/routes.py
+++ b/game/server/tgos/routes.py
@@ -1,3 +1,5 @@
+from uuid import UUID
+
 from fastapi import APIRouter, Depends
 
 from game import Game
@@ -15,3 +17,8 @@ def list_tgos(game: Game = Depends(GameContext.get)) -> list[TgoJs]:
             if not tgo.is_control_point:
                 tgos.append(TgoJs.for_tgo(tgo))
     return tgos
+
+
+@router.get("/{tgo_id}")
+def get_tgo(tgo_id: UUID, game: Game = Depends(GameContext.get)) -> TgoJs:
+    return TgoJs.for_tgo(game.db.tgos.get(tgo_id))
diff --git a/game/sim/gameupdateevents.py b/game/sim/gameupdateevents.py
index 0f2099bc..abc93c88 100644
--- a/game/sim/gameupdateevents.py
+++ b/game/sim/gameupdateevents.py
@@ -9,7 +9,7 @@ from dcs import Point
 if TYPE_CHECKING:
     from game.ato import Flight, Package
     from game.sim.combat import FrozenCombat
-    from game.theater import FrontLine
+    from game.theater import FrontLine, TheaterGroundObject
 
 
 @dataclass
@@ -30,6 +30,7 @@ class GameUpdateEvents:
     new_front_lines: set[FrontLine] = field(default_factory=set)
     updated_front_lines: set[UUID] = field(default_factory=set)
     deleted_front_lines: set[UUID] = field(default_factory=set)
+    updated_tgos: set[UUID] = field(default_factory=set)
     shutting_down: bool = False
 
     @property
@@ -111,6 +112,10 @@ class GameUpdateEvents:
         self.deleted_front_lines.add(front_line.id)
         return self
 
+    def update_tgo(self, tgo: TheaterGroundObject) -> GameUpdateEvents:
+        self.updated_tgos.add(tgo.id)
+        return self
+
     def shut_down(self) -> GameUpdateEvents:
         self.shutting_down = True
         return self
diff --git a/game/sim/missionresultsprocessor.py b/game/sim/missionresultsprocessor.py
index 82a1ecd7..46d903f1 100644
--- a/game/sim/missionresultsprocessor.py
+++ b/game/sim/missionresultsprocessor.py
@@ -30,7 +30,7 @@ class MissionResultsProcessor:
         self.commit_convoy_losses(debriefing)
         self.commit_cargo_ship_losses(debriefing)
         self.commit_airlift_losses(debriefing)
-        self.commit_ground_losses(debriefing)
+        self.commit_ground_losses(debriefing, events)
         self.commit_damaged_runways(debriefing)
         self.commit_captures(debriefing, events)
         self.commit_front_line_battle_impact(debriefing, events)
@@ -131,11 +131,11 @@ class MissionResultsProcessor:
                     )
 
     @staticmethod
-    def commit_ground_losses(debriefing: Debriefing) -> None:
+    def commit_ground_losses(debriefing: Debriefing, events: GameUpdateEvents) -> None:
         for ground_object_loss in debriefing.ground_object_losses:
-            ground_object_loss.theater_unit.kill()
+            ground_object_loss.theater_unit.kill(events)
         for scenery_object_loss in debriefing.scenery_object_losses:
-            scenery_object_loss.ground_unit.kill()
+            scenery_object_loss.ground_unit.kill(events)
 
     @staticmethod
     def commit_damaged_runways(debriefing: Debriefing) -> None:
diff --git a/game/theater/controlpoint.py b/game/theater/controlpoint.py
index e58e7815..1fdedcb4 100644
--- a/game/theater/controlpoint.py
+++ b/game/theater/controlpoint.py
@@ -730,11 +730,11 @@ class ControlPoint(MissionTarget, SidcDescribable, ABC):
         for squadron in self.squadrons:
             self._retreat_squadron(game, squadron)
 
-    def depopulate_uncapturable_tgos(self) -> None:
+    def depopulate_uncapturable_tgos(self, events: GameUpdateEvents) -> None:
         # TODO Rework this.
         for tgo in self.connected_objectives:
             if not tgo.capturable:
-                tgo.clear()
+                tgo.clear(events)
 
     # TODO: Should be Airbase specific.
     def capture(self, game: Game, events: GameUpdateEvents, for_player: bool) -> None:
@@ -742,7 +742,7 @@ class ControlPoint(MissionTarget, SidcDescribable, ABC):
         self.ground_unit_orders.refund_all(self.coalition)
         self.retreat_ground_units(game)
         self.retreat_air_units(game)
-        self.depopulate_uncapturable_tgos()
+        self.depopulate_uncapturable_tgos(events)
 
         self._coalition = new_coalition
         self.base.set_strength_to_minimum()
diff --git a/game/theater/theatergroundobject.py b/game/theater/theatergroundobject.py
index 8dd4789e..67207dd6 100644
--- a/game/theater/theatergroundobject.py
+++ b/game/theater/theatergroundobject.py
@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import itertools
+import uuid
 from abc import ABC
 from typing import Iterator, List, Optional, TYPE_CHECKING
 
@@ -22,6 +23,7 @@ from ..data.radar_db import LAUNCHER_TRACKER_PAIRS, TELARS, TRACK_RADARS
 from ..utils import Distance, Heading, meters
 
 if TYPE_CHECKING:
+    from game.sim import GameUpdateEvents
     from .theatergroup import TheaterUnit, TheaterGroup
     from .controlpoint import ControlPoint
     from ..ato.flighttype import FlightType
@@ -62,6 +64,7 @@ class TheaterGroundObject(MissionTarget, SidcDescribable, ABC):
         sea_object: bool,
     ) -> None:
         super().__init__(name, position)
+        self.id = uuid.uuid4()
         self.category = category
         self.heading = heading
         self.control_point = control_point
@@ -212,8 +215,9 @@ class TheaterGroundObject(MissionTarget, SidcDescribable, ABC):
     def mark_locations(self) -> Iterator[Point]:
         yield self.position
 
-    def clear(self) -> None:
+    def clear(self, events: GameUpdateEvents) -> None:
         self.groups = []
+        events.update_tgo(self)
 
     @property
     def capturable(self) -> bool:
diff --git a/game/theater/theatergroup.py b/game/theater/theatergroup.py
index 0c34c74d..f6bfe5ec 100644
--- a/game/theater/theatergroup.py
+++ b/game/theater/theatergroup.py
@@ -1,22 +1,20 @@
 from __future__ import annotations
 
-import logging
 from dataclasses import dataclass
-from typing import Optional, Any, TYPE_CHECKING, Type
+from typing import Any, Optional, TYPE_CHECKING, Type
 
 from dcs.triggers import TriggerZone
-from dcs.unittype import VehicleType, ShipType, StaticType
+from dcs.unittype import ShipType, StaticType, UnitType as DcsUnitType, VehicleType
 
 from game.dcs.groundunittype import GroundUnitType
 from game.dcs.shipunittype import ShipUnitType
 from game.dcs.unittype import UnitType
-from dcs.unittype import UnitType as DcsUnitType
-
 from game.point_with_heading import PointWithHeading
 from game.utils import Heading
 
 if TYPE_CHECKING:
-    from game.layout.layout import LayoutUnit, TgoLayoutGroup
+    from game.layout.layout import LayoutUnit
+    from game.sim import GameUpdateEvents
     from game.theater import TheaterGroundObject
 
 
@@ -58,8 +56,9 @@ class TheaterUnit:
         # None for not available StaticTypes
         return None
 
-    def kill(self) -> None:
+    def kill(self, events: GameUpdateEvents) -> None:
         self.alive = False
+        events.update_tgo(self.ground_object)
 
     @property
     def unit_name(self) -> str:
diff --git a/qt_ui/widgets/map/model/groundobjectjs.py b/qt_ui/widgets/map/model/groundobjectjs.py
deleted file mode 100644
index f389a9e5..00000000
--- a/qt_ui/widgets/map/model/groundobjectjs.py
+++ /dev/null
@@ -1,90 +0,0 @@
-from __future__ import annotations
-
-from typing import List, Optional
-
-from PySide2.QtCore import Property, QObject, Signal, Slot
-
-from game import Game
-from game.server.leaflet import LeafletLatLon
-from game.theater import TheaterGroundObject
-from qt_ui.dialogs import Dialog
-from qt_ui.windows.groundobject.QGroundObjectMenu import QGroundObjectMenu
-
-
-class GroundObjectJs(QObject):
-    nameChanged = Signal()
-    controlPointNameChanged = Signal()
-    sidcChanged = Signal()
-    unitsChanged = Signal()
-    blueChanged = Signal()
-    positionChanged = Signal()
-    samThreatRangesChanged = Signal()
-    samDetectionRangesChanged = Signal()
-    categoryChanged = Signal()
-    deadChanged = Signal()
-
-    def __init__(self, tgo: TheaterGroundObject, game: Game) -> None:
-        super().__init__()
-        self.tgo = tgo
-        self.game = game
-        self.theater = game.theater
-        self.dialog: Optional[QGroundObjectMenu] = None
-
-    @Slot()
-    def showInfoDialog(self) -> None:
-        if self.dialog is None:
-            self.dialog = QGroundObjectMenu(
-                None,
-                self.tgo,
-                self.tgo.control_point,
-                self.game,
-            )
-        self.dialog.show()
-
-    @Slot()
-    def showPackageDialog(self) -> None:
-        Dialog.open_new_package_dialog(self.tgo)
-
-    @Property(str, notify=nameChanged)
-    def name(self) -> str:
-        return self.tgo.name
-
-    @Property(str, notify=controlPointNameChanged)
-    def controlPointName(self) -> str:
-        return self.tgo.control_point.name
-
-    @Property(str, notify=sidcChanged)
-    def sidc(self) -> str:
-        return str(self.tgo.sidc())
-
-    @Property(str, notify=categoryChanged)
-    def category(self) -> str:
-        return self.tgo.category
-
-    @Property(list, notify=unitsChanged)
-    def units(self) -> List[str]:
-        return [unit.display_name for unit in self.tgo.units]
-
-    @Property(bool, notify=blueChanged)
-    def blue(self) -> bool:
-        return self.tgo.control_point.captured
-
-    @Property(list, notify=positionChanged)
-    def position(self) -> LeafletLatLon:
-        return self.tgo.position.latlng().as_list()
-
-    @Property(bool, notify=deadChanged)
-    def dead(self) -> bool:
-        return not any(g.alive_units > 0 for g in self.tgo.groups)
-
-    @Property(list, notify=samThreatRangesChanged)
-    def samThreatRanges(self) -> List[float]:
-        if not self.tgo.might_have_aa:
-            return []
-        return [self.tgo.threat_range(group).meters for group in self.tgo.groups]
-
-    @Property(list, notify=samDetectionRangesChanged)
-    def samDetectionRanges(self) -> List[float]:
-        if not self.tgo.might_have_aa:
-            return []
-        return [self.tgo.detection_range(group).meters for group in self.tgo.groups]
diff --git a/qt_ui/widgets/map/model/mapmodel.py b/qt_ui/widgets/map/model/mapmodel.py
index 32f820b1..d12b948d 100644
--- a/qt_ui/widgets/map/model/mapmodel.py
+++ b/qt_ui/widgets/map/model/mapmodel.py
@@ -15,7 +15,6 @@ from game.theater import (
 from qt_ui.models import GameModel
 from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
 from .controlpointjs import ControlPointJs
-from .groundobjectjs import GroundObjectJs
 from .supplyroutejs import SupplyRouteJs
 
 
@@ -41,7 +40,6 @@ class MapModel(QObject):
     apiKeyChanged = Signal(str)
     mapCenterChanged = Signal(list)
     controlPointsChanged = Signal()
-    groundObjectsChanged = Signal()
     supplyRoutesChanged = Signal()
     mapReset = Signal()
 
@@ -50,7 +48,6 @@ class MapModel(QObject):
         self.game_model = game_model
         self._map_center = LatLng(0, 0)
         self._control_points = []
-        self._ground_objects = []
         self._supply_routes = []
 
         GameUpdateSignal.get_instance().game_loaded.connect(self.on_game_load)
@@ -59,7 +56,6 @@ class MapModel(QObject):
     def clear(self) -> None:
         self._control_points = []
         self._supply_routes = []
-        self._ground_objects = []
         self.cleared.emit()
 
     def reset(self) -> None:
@@ -68,7 +64,6 @@ class MapModel(QObject):
             return
         with logged_duration("Map reset"):
             self.reset_control_points()
-            self.reset_ground_objects()
             self.reset_routes()
             self.mapReset.emit()
 
@@ -99,27 +94,6 @@ class MapModel(QObject):
     def controlPoints(self) -> List[ControlPointJs]:
         return self._control_points
 
-    def reset_ground_objects(self) -> None:
-        seen = set()
-        self._ground_objects = []
-        for cp in self.game.theater.controlpoints:
-            for tgo in cp.ground_objects:
-                if tgo.name in seen:
-                    continue
-                seen.add(tgo.name)
-
-                if tgo.is_control_point:
-                    # TGOs that are the CP (CV groups) are an implementation quirk that
-                    # we don't need to expose to the UI.
-                    continue
-
-                self._ground_objects.append(GroundObjectJs(tgo, self.game))
-        self.groundObjectsChanged.emit()
-
-    @Property(list, notify=groundObjectsChanged)
-    def groundObjects(self) -> List[GroundObjectJs]:
-        return self._ground_objects
-
     def reset_routes(self) -> None:
         seen = set()
         self._supply_routes = []
diff --git a/qt_ui/windows/QLiberationWindow.py b/qt_ui/windows/QLiberationWindow.py
index dd19a26e..5d7e6104 100644
--- a/qt_ui/windows/QLiberationWindow.py
+++ b/qt_ui/windows/QLiberationWindow.py
@@ -24,7 +24,7 @@ from game.layout import LAYOUTS
 from game.server import EventStream, GameContext
 from game.server.dependencies import QtCallbacks, QtContext
 from game.server.security import ApiKeyManager
-from game.theater import MissionTarget
+from game.theater import MissionTarget, TheaterGroundObject
 from qt_ui import liberation_install
 from qt_ui.dialogs import Dialog
 from qt_ui.models import GameModel
@@ -36,6 +36,7 @@ from qt_ui.widgets.ato import QAirTaskingOrderPanel
 from qt_ui.widgets.map.QLiberationMap import QLiberationMap
 from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
 from qt_ui.windows.QDebriefingWindow import QDebriefingWindow
+from qt_ui.windows.groundobject.QGroundObjectMenu import QGroundObjectMenu
 from qt_ui.windows.infos.QInfoPanel import QInfoPanel
 from qt_ui.windows.logs.QLogsWindow import QLogsWindow
 from qt_ui.windows.newgame.QNewGameWizard import NewGameWizard
@@ -49,6 +50,7 @@ from qt_ui.windows.stats.QStatsWindow import QStatsWindow
 
 class QLiberationWindow(QMainWindow):
     new_package_signal = Signal(MissionTarget)
+    tgo_info_signal = Signal(TheaterGroundObject)
 
     def __init__(self, game: Optional[Game], new_map: bool) -> None:
         super().__init__()
@@ -63,8 +65,12 @@ class QLiberationWindow(QMainWindow):
         self.new_package_signal.connect(
             lambda target: Dialog.open_new_package_dialog(target, self)
         )
+        self.tgo_info_signal.connect(self.open_tgo_info_dialog)
         QtContext.set_callbacks(
-            QtCallbacks(lambda target: self.new_package_signal.emit(target))
+            QtCallbacks(
+                lambda target: self.new_package_signal.emit(target),
+                lambda tgo: self.tgo_info_signal.emit(tgo),
+            )
         )
         Dialog.set_game(self.game_model)
         self.ato_panel = QAirTaskingOrderPanel(self.game_model)
@@ -437,6 +443,9 @@ class QLiberationWindow(QMainWindow):
         self.debriefing = QDebriefingWindow(debrief)
         self.debriefing.show()
 
+    def open_tgo_info_dialog(self, tgo: TheaterGroundObject) -> None:
+        QGroundObjectMenu(self, tgo, tgo.control_point, self.game).show()
+
     def _qsettings(self) -> QSettings:
         return QSettings("DCS Liberation", "Qt UI")
 
diff --git a/resources/ui/map/map.js b/resources/ui/map/map.js
index 475d9a33..7abc0fec 100644
--- a/resources/ui/map/map.js
+++ b/resources/ui/map/map.js
@@ -253,7 +253,6 @@ new QWebChannel(qt.webChannelTransport, function (channel) {
   game.cleared.connect(clearAllLayers);
   game.mapCenterChanged.connect(recenterMap);
   game.controlPointsChanged.connect(drawControlPoints);
-  game.groundObjectsChanged.connect(drawGroundObjects);
   game.supplyRoutesChanged.connect(drawSupplyRoutes);
   game.mapReset.connect(drawAircraft);
 });
@@ -320,6 +319,10 @@ function handleStreamedEvents(events) {
   for (const id of events.deleted_front_lines) {
     FrontLine.popId(id).clear();
   }
+
+  for (const id of events.updated_tgos) {
+    TheaterGroundObject.withId(id).update();
+  }
 }
 
 function recenterMap(center) {
@@ -523,6 +526,39 @@ function drawControlPoints() {
 class TheaterGroundObject {
   constructor(tgo) {
     this.tgo = tgo;
+    this.marker = null;
+    this.threatCircles = [];
+    this.detectionCircles = [];
+    TheaterGroundObject.register(this);
+  }
+
+  static registered = [];
+
+  static register(tgo) {
+    TheaterGroundObject.registered[tgo.tgo.id] = tgo;
+  }
+
+  static withId(id) {
+    return TheaterGroundObject.registered[id];
+  }
+
+  showInfoDialog() {
+    postJson(`/qt/info/tgo/${this.tgo.id}`);
+  }
+
+  showPackageDialog() {
+    postJson(`/qt/create-package/tgo/${this.tgo.id}`);
+  }
+
+  update() {
+    getJson(`/tgos/${this.tgo.id}`).then((tgo) => {
+      // Clear explicitly before replacing the TGO in case (though this
+      // shouldn't happen) the replacement data changes the layer this TGO is
+      // drawn on.
+      this.clear();
+      this.tgo = tgo;
+      this.draw();
+    });
   }
 
   icon() {
@@ -550,27 +586,50 @@ class TheaterGroundObject {
     const threatColor = this.tgo.blue ? Colors.Blue : Colors.Red;
     const detectionColor = this.tgo.blue ? "#bb89ff" : "#eee17b";
 
-    this.tgo.samDetectionRanges.forEach((range) => {
-      L.circle(this.tgo.position, {
-        radius: range,
-        color: detectionColor,
-        fill: false,
-        weight: 1,
-        interactive: false,
-      }).addTo(detectionLayer);
+    this.tgo.detection_ranges.forEach((range) => {
+      this.detectionCircles.push(
+        L.circle(this.tgo.position, {
+          radius: range,
+          color: detectionColor,
+          fill: false,
+          weight: 1,
+          interactive: false,
+        }).addTo(detectionLayer)
+      );
     });
 
-    this.tgo.samThreatRanges.forEach((range) => {
-      L.circle(this.tgo.position, {
-        radius: range,
-        color: threatColor,
-        fill: false,
-        weight: 2,
-        interactive: false,
-      }).addTo(threatLayer);
+    this.tgo.threat_ranges.forEach((range) => {
+      this.threatCircles.push(
+        L.circle(this.tgo.position, {
+          radius: range,
+          color: threatColor,
+          fill: false,
+          weight: 2,
+          interactive: false,
+        }).addTo(threatLayer)
+      );
     });
   }
 
+  clear() {
+    const detectionLayer = this.tgo.blue
+      ? blueSamDetectionLayer
+      : redSamDetectionLayer;
+    const threatLayer = this.tgo.blue ? blueSamThreatLayer : redSamThreatLayer;
+
+    if (this.marker) {
+      this.marker.removeFrom(this.layer());
+    }
+
+    for (const circle of this.threatCircles) {
+      circle.removeFrom(threatLayer);
+    }
+
+    for (const circle of this.detectionCircles) {
+      circle.removeFrom(detectionLayer);
+    }
+  }
+
   draw() {
     if (!this.tgo.blue && this.tgo.dead) {
       // Don't bother drawing dead opfor TGOs. Blue is worth showing because
@@ -579,14 +638,14 @@ class TheaterGroundObject {
       return;
     }
 
-    L.marker(this.tgo.position, { icon: this.icon() })
+    this.marker = L.marker(this.tgo.position, { icon: this.icon() })
       .bindTooltip(
         `${this.tgo.name} (${
-          this.tgo.controlPointName
+          this.tgo.control_point_name
         })<br />${this.tgo.units.join("<br />")}`
       )
-      .on("click", () => this.tgo.showInfoDialog())
-      .on("contextmenu", () => this.tgo.showPackageDialog())
+      .on("click", () => this.showInfoDialog())
+      .on("contextmenu", () => this.showPackageDialog())
       .addTo(this.layer());
     this.drawSamThreats();
   }
@@ -601,8 +660,10 @@ function drawGroundObjects() {
   redSamDetectionLayer.clearLayers();
   blueSamThreatLayer.clearLayers();
   redSamThreatLayer.clearLayers();
-  game.groundObjects.forEach((tgo) => {
-    new TheaterGroundObject(tgo).draw();
+  getJson("/tgos").then((tgos) => {
+    for (const tgo of tgos) {
+      new TheaterGroundObject(tgo).draw();
+    }
   });
 }
 
@@ -683,7 +744,7 @@ class FrontLine {
   }
 
   openNewPackageDialog() {
-    postJson(`/package-dialog/front-line/${this.id}`);
+    postJson(`/qt/create-package/front-line/${this.id}`);
   }
 }