diff --git a/OpenRA.Mods.Cnc/ProductionAirdrop.cs b/OpenRA.Mods.Cnc/ProductionAirdrop.cs
index 082238478d..137e0f6bc7 100644
--- a/OpenRA.Mods.Cnc/ProductionAirdrop.cs
+++ b/OpenRA.Mods.Cnc/ProductionAirdrop.cs
@@ -15,6 +15,7 @@ using OpenRA.Mods.RA.Activities;
 using OpenRA.Mods.RA.Render;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Air;
 
 namespace OpenRA.Mods.Cnc
 {
diff --git a/OpenRA.Mods.RA/Aircraft.cs b/OpenRA.Mods.RA/Air/Aircraft.cs
similarity index 95%
rename from OpenRA.Mods.RA/Aircraft.cs
rename to OpenRA.Mods.RA/Air/Aircraft.cs
index 9246c291ce..1cb5ac330d 100755
--- a/OpenRA.Mods.RA/Aircraft.cs
+++ b/OpenRA.Mods.RA/Air/Aircraft.cs
@@ -12,7 +12,7 @@ using System.Collections.Generic;
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	public class AircraftInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/AttackHeli.cs b/OpenRA.Mods.RA/Air/AttackHeli.cs
old mode 100644
new mode 100755
similarity index 93%
rename from OpenRA.Mods.RA/AttackHeli.cs
rename to OpenRA.Mods.RA/Air/AttackHeli.cs
index d659c45310..8cb7d1c5d2
--- a/OpenRA.Mods.RA/AttackHeli.cs
+++ b/OpenRA.Mods.RA/Air/AttackHeli.cs
@@ -11,7 +11,7 @@
 using OpenRA.Mods.RA.Activities;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	class AttackHeliInfo : AttackFrontalInfo
 	{
diff --git a/OpenRA.Mods.RA/AttackPlane.cs b/OpenRA.Mods.RA/Air/AttackPlane.cs
old mode 100644
new mode 100755
similarity index 93%
rename from OpenRA.Mods.RA/AttackPlane.cs
rename to OpenRA.Mods.RA/Air/AttackPlane.cs
index b80e1e137a..966a54e645
--- a/OpenRA.Mods.RA/AttackPlane.cs
+++ b/OpenRA.Mods.RA/Air/AttackPlane.cs
@@ -11,7 +11,7 @@
 using OpenRA.Mods.RA.Activities;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	class AttackPlaneInfo : AttackFrontalInfo
 	{
diff --git a/OpenRA.Mods.RA/FallsToEarth.cs b/OpenRA.Mods.RA/Air/FallsToEarth.cs
old mode 100644
new mode 100755
similarity index 94%
rename from OpenRA.Mods.RA/FallsToEarth.cs
rename to OpenRA.Mods.RA/Air/FallsToEarth.cs
index 29890d6f32..9a8a0f9509
--- a/OpenRA.Mods.RA/FallsToEarth.cs
+++ b/OpenRA.Mods.RA/Air/FallsToEarth.cs
@@ -11,7 +11,7 @@
 using OpenRA.Mods.RA.Activities;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	class FallsToEarthInfo : TraitInfo<FallsToEarth>
 	{
diff --git a/OpenRA.Mods.RA/Activities/Fly.cs b/OpenRA.Mods.RA/Air/Fly.cs
old mode 100644
new mode 100755
similarity index 94%
rename from OpenRA.Mods.RA/Activities/Fly.cs
rename to OpenRA.Mods.RA/Air/Fly.cs
index 4cdb8317d3..8f92eb1513
--- a/OpenRA.Mods.RA/Activities/Fly.cs
+++ b/OpenRA.Mods.RA/Air/Fly.cs
@@ -12,7 +12,7 @@ using System;
 using System.Collections.Generic;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	public class Fly : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Activities/FlyAttack.cs b/OpenRA.Mods.RA/Air/FlyAttack.cs
old mode 100644
new mode 100755
similarity index 93%
rename from OpenRA.Mods.RA/Activities/FlyAttack.cs
rename to OpenRA.Mods.RA/Air/FlyAttack.cs
index 2c31128714..5f6d920096
--- a/OpenRA.Mods.RA/Activities/FlyAttack.cs
+++ b/OpenRA.Mods.RA/Air/FlyAttack.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	public class FlyAttack : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Activities/FlyTimed.cs b/OpenRA.Mods.RA/Air/FlyTimed.cs
old mode 100644
new mode 100755
similarity index 93%
rename from OpenRA.Mods.RA/Activities/FlyTimed.cs
rename to OpenRA.Mods.RA/Air/FlyTimed.cs
index ee572d1dc0..2f715531da
--- a/OpenRA.Mods.RA/Activities/FlyTimed.cs
+++ b/OpenRA.Mods.RA/Air/FlyTimed.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	public class FlyTimed : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Activities/HeliAttack.cs b/OpenRA.Mods.RA/Air/HeliAttack.cs
old mode 100644
new mode 100755
similarity index 94%
rename from OpenRA.Mods.RA/Activities/HeliAttack.cs
rename to OpenRA.Mods.RA/Air/HeliAttack.cs
index f2228d5c87..d408dd3b11
--- a/OpenRA.Mods.RA/Activities/HeliAttack.cs
+++ b/OpenRA.Mods.RA/Air/HeliAttack.cs
@@ -12,7 +12,7 @@ using System;
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	public class HeliAttack : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Activities/HeliFly.cs b/OpenRA.Mods.RA/Air/HeliFly.cs
old mode 100644
new mode 100755
similarity index 93%
rename from OpenRA.Mods.RA/Activities/HeliFly.cs
rename to OpenRA.Mods.RA/Air/HeliFly.cs
index 7d95f94b44..62e4fec4c3
--- a/OpenRA.Mods.RA/Activities/HeliFly.cs
+++ b/OpenRA.Mods.RA/Air/HeliFly.cs
@@ -12,7 +12,7 @@ using System;
 using System.Collections.Generic;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	class HeliFly : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Activities/HeliLand.cs b/OpenRA.Mods.RA/Air/HeliLand.cs
old mode 100644
new mode 100755
similarity index 92%
rename from OpenRA.Mods.RA/Activities/HeliLand.cs
rename to OpenRA.Mods.RA/Air/HeliLand.cs
index 92ee54f1bb..b74176cf80
--- a/OpenRA.Mods.RA/Activities/HeliLand.cs
+++ b/OpenRA.Mods.RA/Air/HeliLand.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	class HeliLand : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Activities/HeliReturn.cs b/OpenRA.Mods.RA/Air/HeliReturn.cs
old mode 100644
new mode 100755
similarity index 92%
rename from OpenRA.Mods.RA/Activities/HeliReturn.cs
rename to OpenRA.Mods.RA/Air/HeliReturn.cs
index e80f7ced17..5e652f2775
--- a/OpenRA.Mods.RA/Activities/HeliReturn.cs
+++ b/OpenRA.Mods.RA/Air/HeliReturn.cs
@@ -11,8 +11,9 @@
 using System.Linq;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Activities;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	public class HeliReturn : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Helicopter.cs b/OpenRA.Mods.RA/Air/Helicopter.cs
old mode 100644
new mode 100755
similarity index 96%
rename from OpenRA.Mods.RA/Helicopter.cs
rename to OpenRA.Mods.RA/Air/Helicopter.cs
index 4a22042aec..e8176f32d6
--- a/OpenRA.Mods.RA/Helicopter.cs
+++ b/OpenRA.Mods.RA/Air/Helicopter.cs
@@ -18,7 +18,7 @@ using OpenRA.Mods.RA.Buildings;
 using OpenRA.Mods.RA.Orders;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	class HelicopterInfo : AircraftInfo
 	{
diff --git a/OpenRA.Mods.RA/Activities/Land.cs b/OpenRA.Mods.RA/Air/Land.cs
old mode 100644
new mode 100755
similarity index 93%
rename from OpenRA.Mods.RA/Activities/Land.cs
rename to OpenRA.Mods.RA/Air/Land.cs
index af3f54dbac..e6639a5675
--- a/OpenRA.Mods.RA/Activities/Land.cs
+++ b/OpenRA.Mods.RA/Air/Land.cs
@@ -12,7 +12,7 @@ using System;
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	public class Land : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/Plane.cs b/OpenRA.Mods.RA/Air/Plane.cs
old mode 100644
new mode 100755
similarity index 95%
rename from OpenRA.Mods.RA/Plane.cs
rename to OpenRA.Mods.RA/Air/Plane.cs
index 500a21447e..11dfe5f771
--- a/OpenRA.Mods.RA/Plane.cs
+++ b/OpenRA.Mods.RA/Air/Plane.cs
@@ -18,7 +18,7 @@ using OpenRA.Mods.RA.Buildings;
 using OpenRA.Mods.RA.Orders;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	public class PlaneInfo : AircraftInfo
 	{
diff --git a/OpenRA.Mods.RA/ReservableProduction.cs b/OpenRA.Mods.RA/Air/ReservableProduction.cs
old mode 100644
new mode 100755
similarity index 90%
rename from OpenRA.Mods.RA/ReservableProduction.cs
rename to OpenRA.Mods.RA/Air/ReservableProduction.cs
index b333cfdea4..a82d9a1220
--- a/OpenRA.Mods.RA/ReservableProduction.cs
+++ b/OpenRA.Mods.RA/Air/ReservableProduction.cs
@@ -12,7 +12,7 @@ using System.Linq;
 using OpenRA.FileFormats;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	// a small hack to teach Production about Reservable.
 
@@ -46,7 +46,7 @@ namespace OpenRA.Mods.RA
 					var rp = self.TraitOrDefault<RallyPoint>();
 					if( rp != null )
 					{
-						newUnit.QueueActivity( new Activities.HeliFly( Util.CenterOfCell(rp.rallyPoint)) );
+						newUnit.QueueActivity( new HeliFly( Util.CenterOfCell(rp.rallyPoint)) );
 					}
 					
 					foreach (var t in self.TraitsImplementing<INotifyProduction>())
diff --git a/OpenRA.Mods.RA/ReturnOnIdle.cs b/OpenRA.Mods.RA/Air/ReturnOnIdle.cs
similarity index 94%
rename from OpenRA.Mods.RA/ReturnOnIdle.cs
rename to OpenRA.Mods.RA/Air/ReturnOnIdle.cs
index ade4d9d97e..39faa67d8d 100755
--- a/OpenRA.Mods.RA/ReturnOnIdle.cs
+++ b/OpenRA.Mods.RA/Air/ReturnOnIdle.cs
@@ -12,7 +12,7 @@ using OpenRA.Mods.RA.Activities;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
 	class ReturnOnIdleInfo : TraitInfo<ReturnOnIdle> { }
 
diff --git a/OpenRA.Mods.RA/Activities/ReturnToBase.cs b/OpenRA.Mods.RA/Air/ReturnToBase.cs
old mode 100644
new mode 100755
similarity index 94%
rename from OpenRA.Mods.RA/Activities/ReturnToBase.cs
rename to OpenRA.Mods.RA/Air/ReturnToBase.cs
index 3d14a0a8d8..61c94a0111
--- a/OpenRA.Mods.RA/Activities/ReturnToBase.cs
+++ b/OpenRA.Mods.RA/Air/ReturnToBase.cs
@@ -12,7 +12,7 @@ using System;
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.RA.Air
 {
 	public class ReturnToBase : CancelableActivity
 	{
diff --git a/OpenRA.Mods.RA/TargetableAircraft.cs b/OpenRA.Mods.RA/Air/TargetableAircraft.cs
old mode 100644
new mode 100755
similarity index 94%
rename from OpenRA.Mods.RA/TargetableAircraft.cs
rename to OpenRA.Mods.RA/Air/TargetableAircraft.cs
index 2977379407..197e38a1a0
--- a/OpenRA.Mods.RA/TargetableAircraft.cs
+++ b/OpenRA.Mods.RA/Air/TargetableAircraft.cs
@@ -13,7 +13,7 @@ using OpenRA.Graphics;
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.RA.Air
 {
     public class TargetableAircraftInfo : TargetableUnitInfo, ITraitPrerequisite<AircraftInfo>
     {
diff --git a/OpenRA.Mods.RA/CrateDrop.cs b/OpenRA.Mods.RA/CrateDrop.cs
index efa3cdaf8c..9304c9ae63 100644
--- a/OpenRA.Mods.RA/CrateDrop.cs
+++ b/OpenRA.Mods.RA/CrateDrop.cs
@@ -15,6 +15,7 @@ using OpenRA.FileFormats;
 using OpenRA.Mods.RA.Activities;
 using OpenRA.Mods.RA.Buildings;
 using OpenRA.Traits;
+using OpenRA.Mods.RA.Air;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/DefaultShellmapScript.cs b/OpenRA.Mods.RA/DefaultShellmapScript.cs
index fe5f75b6ed..db0bd57488 100755
--- a/OpenRA.Mods.RA/DefaultShellmapScript.cs
+++ b/OpenRA.Mods.RA/DefaultShellmapScript.cs
@@ -11,7 +11,8 @@
 using System.Collections.Generic;
 using System.Linq;
 using OpenRA.Traits;
-using System;
+using System;
+using OpenRA.Mods.RA.Air;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index 59c7f19b7b..1d0497a9f1 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -59,23 +59,23 @@
     <Compile Include="Activities\Demolish.cs" />
     <Compile Include="Activities\Enter.cs" />
     <Compile Include="Activities\EnterTransport.cs" />
-    <Compile Include="Activities\Fly.cs" />
-    <Compile Include="Activities\FlyAttack.cs" />
-    <Compile Include="Activities\FlyTimed.cs" />
+    <Compile Include="Air\Fly.cs" />
+    <Compile Include="Air\FlyAttack.cs" />
+    <Compile Include="Air\FlyTimed.cs" />
     <Compile Include="Activities\Follow.cs" />
-    <Compile Include="Activities\HeliAttack.cs" />
-    <Compile Include="Activities\HeliFly.cs" />
-    <Compile Include="Activities\HeliLand.cs" />
-    <Compile Include="Activities\HeliReturn.cs" />
+    <Compile Include="Air\HeliAttack.cs" />
+    <Compile Include="Air\HeliFly.cs" />
+    <Compile Include="Air\HeliLand.cs" />
+    <Compile Include="Air\HeliReturn.cs" />
     <Compile Include="Activities\Infiltrate.cs" />
-    <Compile Include="Activities\Land.cs" />
+    <Compile Include="Air\Land.cs" />
     <Compile Include="Activities\LayMines.cs" />
     <Compile Include="Activities\Leap.cs" />
     <Compile Include="Activities\MoveAdjacentTo.cs" />
     <Compile Include="Activities\Rearm.cs" />
     <Compile Include="Activities\RemoveSelf.cs" />
     <Compile Include="Activities\Repair.cs" />
-    <Compile Include="Activities\ReturnToBase.cs" />
+    <Compile Include="Air\ReturnToBase.cs" />
     <Compile Include="Activities\Teleport.cs" />
     <Compile Include="Activities\Turn.cs" />
     <Compile Include="Activities\UnloadCargo.cs" />
@@ -109,7 +109,7 @@
     <Compile Include="Effects\RepairIndicator.cs" />
     <Compile Include="Effects\Smoke.cs" />
     <Compile Include="Effects\TeslaZap.cs" />
-    <Compile Include="FallsToEarth.cs" />
+    <Compile Include="Air\FallsToEarth.cs" />
     <Compile Include="CashTrickler.cs" />
     <Compile Include="LimitedAmmo.cs" />
     <Compile Include="Move\Drag.cs" />
@@ -123,7 +123,7 @@
     <Compile Include="Orders\PlaceBuildingOrderGenerator.cs" />
     <Compile Include="Orders\UnitOrderTargeter.cs" />
     <Compile Include="Player\ActorGroupProxy.cs" />
-    <Compile Include="Aircraft.cs" />
+    <Compile Include="Air\Aircraft.cs" />
     <Compile Include="Player\ClassicProductionQueue.cs" />
     <Compile Include="Player\PlaceBuilding.cs" />
     <Compile Include="Player\ProductionQueue.cs" />
@@ -138,13 +138,13 @@
     <Compile Include="Render\RenderUnit.cs" />
     <Compile Include="Render\RenderUnitTurreted.cs" />
     <Compile Include="Buildings\RepairableBuilding.cs" />
-    <Compile Include="ReservableProduction.cs" />
+    <Compile Include="Air\ReservableProduction.cs" />
     <Compile Include="SupportPowers\AirstrikePower.cs" />
     <Compile Include="AttackFrontal.cs" />
-    <Compile Include="AttackHeli.cs" />
+    <Compile Include="Air\AttackHeli.cs" />
     <Compile Include="AttackLeap.cs" />
     <Compile Include="AttackOmni.cs" />
-    <Compile Include="AttackPlane.cs" />
+    <Compile Include="Air\AttackPlane.cs" />
     <Compile Include="AttackTesla.cs" />
     <Compile Include="AttackTurreted.cs" />
     <Compile Include="AutoHeal.cs" />
@@ -177,7 +177,7 @@
     <Compile Include="Fake.cs" />
     <Compile Include="Harvester.cs" />
     <Compile Include="FreeActor.cs" />
-    <Compile Include="Helicopter.cs" />
+    <Compile Include="Air\Helicopter.cs" />
     <Compile Include="Husk.cs" />
     <Compile Include="InvisibleToOthers.cs" />
     <Compile Include="LeavesHusk.cs" />
@@ -201,7 +201,7 @@
     <Compile Include="ParaDrop.cs" />
     <Compile Include="SupportPowers\ParatroopersPower.cs" />
     <Compile Include="Passenger.cs" />
-    <Compile Include="Plane.cs" />
+    <Compile Include="Air\Plane.cs" />
     <Compile Include="Render\RenderBuildingCharge.cs" />
     <Compile Include="Render\RenderBuildingOre.cs" />
     <Compile Include="Render\RenderBuildingWall.cs" />
@@ -220,7 +220,7 @@
     <Compile Include="Render\RenderSpy.cs" />
     <Compile Include="RepairableNear.cs" />
     <Compile Include="Reservable.cs" />
-    <Compile Include="ReturnOnIdle.cs" />
+    <Compile Include="Air\ReturnOnIdle.cs" />
     <Compile Include="SeedsResource.cs" />
     <Compile Include="SelfHealing.cs" />
     <Compile Include="ShroudPalette.cs" />
@@ -231,7 +231,7 @@
     <Compile Include="SupportPowers\NukePower.cs" />
     <Compile Include="SupportPowers\SupportPower.cs" />
     <Compile Include="TakeCover.cs" />
-    <Compile Include="TargetableAircraft.cs" />
+    <Compile Include="Air\TargetableAircraft.cs" />
     <Compile Include="TargetableBuilding.cs" />
     <Compile Include="TargetableUnit.cs" />
     <Compile Include="TeslaInstantKills.cs" />
diff --git a/OpenRA.Mods.RA/ParaDrop.cs b/OpenRA.Mods.RA/ParaDrop.cs
index aa1f37ef48..baa9ac4c10 100644
--- a/OpenRA.Mods.RA/ParaDrop.cs
+++ b/OpenRA.Mods.RA/ParaDrop.cs
@@ -14,6 +14,7 @@ using OpenRA.Mods.RA.Activities;
 using OpenRA.Mods.RA.Effects;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Air;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/SupportPowers/AirstrikePower.cs b/OpenRA.Mods.RA/SupportPowers/AirstrikePower.cs
index 354baff71f..d3649ac871 100755
--- a/OpenRA.Mods.RA/SupportPowers/AirstrikePower.cs
+++ b/OpenRA.Mods.RA/SupportPowers/AirstrikePower.cs
@@ -13,6 +13,7 @@ using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
 using OpenRA.FileFormats;
+using OpenRA.Mods.RA.Air;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/SupportPowers/ParatroopersPower.cs b/OpenRA.Mods.RA/SupportPowers/ParatroopersPower.cs
index 59320fe648..da016916c3 100755
--- a/OpenRA.Mods.RA/SupportPowers/ParatroopersPower.cs
+++ b/OpenRA.Mods.RA/SupportPowers/ParatroopersPower.cs
@@ -12,6 +12,7 @@ using OpenRA.Mods.RA.Activities;
 using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.FileFormats;
+using OpenRA.Mods.RA.Air;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/SupportPowers/SpyPlanePower.cs b/OpenRA.Mods.RA/SupportPowers/SpyPlanePower.cs
index 6a4e0ac43a..0e3b355c43 100755
--- a/OpenRA.Mods.RA/SupportPowers/SpyPlanePower.cs
+++ b/OpenRA.Mods.RA/SupportPowers/SpyPlanePower.cs
@@ -13,6 +13,7 @@ using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
 using OpenRA.FileFormats;
+using OpenRA.Mods.RA.Air;
 
 namespace OpenRA.Mods.RA
 {