Fix missing key in combat display.

client/src/components/combat/Combat.tsx

@@ -29,9 +29,10 @@ function CombatLines(props: CombatProps) {
   const flightPosition: LatLng = props.combat.flight_position;
   return (
     <>
-      {props.combat.target_positions.map((position) => {
+      {props.combat.target_positions.map((position, idx) => {
         return (
           <Polyline
+            key={idx}
             positions={[flightPosition, position]}
             color="#c85050"
             interactive={false}

game/ato/flightstate/killed.py

@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+from datetime import datetime, timedelta
+from typing import TYPE_CHECKING
+
+from dcs import Point
+
+from .flightstate import FlightState
+from ..starttype import StartType
+
+if TYPE_CHECKING:
+    from game.sim.gameupdateevents import GameUpdateEvents
+
+
+class Completed(FlightState):
+    def on_game_tick(
+        self, events: GameUpdateEvents, time: datetime, duration: timedelta
+    ) -> None:
+        return
+
+    @property
+    def is_waiting_for_start(self) -> bool:
+        return False
+
+    def estimate_position(self) -> Point:
+        return self.flight.arrival.position
+
+    @property
+    def spawn_type(self) -> StartType:
+        # TODO: May want to do something different to make these uncontrolled?
+        return StartType.COLD
+
+    @property
+    def description(self) -> str:
+        return "Completed"