diff --git a/OpenRA.Game/OpenRA.Game.csproj b/OpenRA.Game/OpenRA.Game.csproj
index 3083780eb5..671f611360 100755
--- a/OpenRA.Game/OpenRA.Game.csproj
+++ b/OpenRA.Game/OpenRA.Game.csproj
@@ -142,13 +142,6 @@
     <Compile Include="Traits\World\Country.cs" />
     <Compile Include="Traits\Activities\Attack.cs" />
     <Compile Include="Traits\Activities\CallFunc.cs" />
-    <Compile Include="Traits\Activities\Fly.cs" />
-    <Compile Include="Traits\Activities\FlyAttack.cs" />
-    <Compile Include="Traits\Activities\FlyTimed.cs" />
-    <Compile Include="Traits\Activities\HeliAttack.cs" />
-    <Compile Include="Traits\Activities\HeliFly.cs" />
-    <Compile Include="Traits\Activities\HeliLand.cs" />
-    <Compile Include="Traits\Activities\HeliReturn.cs" />
     <Compile Include="Traits\Activities\TransformIntoActor.cs" />
     <Compile Include="Actor.cs" />
     <Compile Include="Effects\Bullet.cs" />
@@ -164,11 +157,9 @@
     <Compile Include="Graphics\LineRenderer.cs" />
     <Compile Include="Graphics\WorldRenderer.cs" />
     <Compile Include="Traits\Activities\Idle.cs" />
-    <Compile Include="Traits\Activities\Land.cs" />
     <Compile Include="Traits\Activities\Rearm.cs" />
     <Compile Include="Traits\Activities\RemoveSelf.cs" />
     <Compile Include="Traits\Activities\Repair.cs" />
-    <Compile Include="Traits\Activities\ReturnToBase.cs" />
     <Compile Include="Traits\Activities\Sell.cs" />
     <Compile Include="Orders\IOrderGenerator.cs" />
     <Compile Include="Orders\PlaceBuildingOrderGenerator.cs" />
@@ -202,7 +193,6 @@
     <Compile Include="Traits\Building.cs" />
     <Compile Include="Traits\World\BuildingInfluence.cs" />
     <Compile Include="Traits\CanPowerDown.cs" />
-    <Compile Include="Traits\Helicopter.cs" />
     <Compile Include="Traits\Modifiers\InvisibleToOthers.cs" />
     <Compile Include="Traits\ConstructionYard.cs" />
     <Compile Include="Traits\LimitedAmmo.cs" />
@@ -215,7 +205,6 @@
     <Compile Include="Traits\Repairable.cs" />
     <Compile Include="Traits\Reservable.cs" />
     <Compile Include="Traits\Selectable.cs" />
-    <Compile Include="Traits\Plane.cs" />
     <Compile Include="Traits\Player\ProductionQueue.cs" />
     <Compile Include="Traits\Render\RenderBuildingCharge.cs" />
     <Compile Include="Traits\TransformsOnDeploy.cs" />
diff --git a/OpenRA.Game/Traits/Reservable.cs b/OpenRA.Game/Traits/Reservable.cs
index 6c52f580c2..1cd185f55a 100644
--- a/OpenRA.Game/Traits/Reservable.cs
+++ b/OpenRA.Game/Traits/Reservable.cs
@@ -27,7 +27,7 @@ namespace OpenRA.Traits
 		public object Create(Actor self) { return new Reservable(self); }
 	}
 
-	class Reservable : ITick
+	public class Reservable : ITick
 	{
 		public Reservable(Actor self) { }
 		Actor reservedFor;
diff --git a/OpenRA.Mods.Cnc/ProductionAirdrop.cs b/OpenRA.Mods.Cnc/ProductionAirdrop.cs
index b25e21608d..80acb13e4f 100644
--- a/OpenRA.Mods.Cnc/ProductionAirdrop.cs
+++ b/OpenRA.Mods.Cnc/ProductionAirdrop.cs
@@ -22,6 +22,7 @@ using OpenRA.GameRules;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
 using OpenRA.Mods.RA;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.Cnc
 {
diff --git a/OpenRA.Game/Traits/Activities/Fly.cs b/OpenRA.Mods.RA/Activities/Fly.cs
similarity index 94%
rename from OpenRA.Game/Traits/Activities/Fly.cs
rename to OpenRA.Mods.RA/Activities/Fly.cs
index 4610285551..e5aa0ee84d 100644
--- a/OpenRA.Game/Traits/Activities/Fly.cs
+++ b/OpenRA.Mods.RA/Activities/Fly.cs
@@ -20,8 +20,9 @@
 
 using System;
 using OpenRA.GameRules;
+using OpenRA.Traits;
 
-namespace OpenRA.Traits.Activities
+namespace OpenRA.Mods.RA.Activities
 {
 	public class Fly : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/FlyAttack.cs b/OpenRA.Mods.RA/Activities/FlyAttack.cs
similarity index 93%
rename from OpenRA.Game/Traits/Activities/FlyAttack.cs
rename to OpenRA.Mods.RA/Activities/FlyAttack.cs
index 0a8fed8f67..e2857883dc 100644
--- a/OpenRA.Game/Traits/Activities/FlyAttack.cs
+++ b/OpenRA.Mods.RA/Activities/FlyAttack.cs
@@ -18,7 +18,9 @@
  */
 #endregion
 
-namespace OpenRA.Traits.Activities
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Activities
 {
 	public class FlyAttack : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/FlyTimed.cs b/OpenRA.Mods.RA/Activities/FlyTimed.cs
similarity index 93%
rename from OpenRA.Game/Traits/Activities/FlyTimed.cs
rename to OpenRA.Mods.RA/Activities/FlyTimed.cs
index 10dca7742f..11a98a56b4 100644
--- a/OpenRA.Game/Traits/Activities/FlyTimed.cs
+++ b/OpenRA.Mods.RA/Activities/FlyTimed.cs
@@ -19,8 +19,9 @@
 #endregion
 
 using System;
+using OpenRA.Traits;
 
-namespace OpenRA.Traits.Activities
+namespace OpenRA.Mods.RA.Activities
 {
 	public class FlyTimed : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/HeliAttack.cs b/OpenRA.Mods.RA/Activities/HeliAttack.cs
similarity index 94%
rename from OpenRA.Game/Traits/Activities/HeliAttack.cs
rename to OpenRA.Mods.RA/Activities/HeliAttack.cs
index cfedda1177..9ee57be9d6 100644
--- a/OpenRA.Game/Traits/Activities/HeliAttack.cs
+++ b/OpenRA.Mods.RA/Activities/HeliAttack.cs
@@ -21,8 +21,9 @@
 using System;
 using System.Linq;
 using OpenRA.GameRules;
+using OpenRA.Traits;
 
-namespace OpenRA.Traits.Activities
+namespace OpenRA.Mods.RA.Activities
 {
 	public class HeliAttack : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/HeliFly.cs b/OpenRA.Mods.RA/Activities/HeliFly.cs
similarity index 94%
rename from OpenRA.Game/Traits/Activities/HeliFly.cs
rename to OpenRA.Mods.RA/Activities/HeliFly.cs
index 60c4598568..dd6b78a95c 100644
--- a/OpenRA.Game/Traits/Activities/HeliFly.cs
+++ b/OpenRA.Mods.RA/Activities/HeliFly.cs
@@ -20,8 +20,9 @@
 
 using System;
 using OpenRA.GameRules;
+using OpenRA.Traits;
 
-namespace OpenRA.Traits.Activities
+namespace OpenRA.Mods.RA.Activities
 {
 	class HeliFly : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/HeliLand.cs b/OpenRA.Mods.RA/Activities/HeliLand.cs
similarity index 93%
rename from OpenRA.Game/Traits/Activities/HeliLand.cs
rename to OpenRA.Mods.RA/Activities/HeliLand.cs
index a45c2e6180..d8748ef851 100644
--- a/OpenRA.Game/Traits/Activities/HeliLand.cs
+++ b/OpenRA.Mods.RA/Activities/HeliLand.cs
@@ -19,7 +19,9 @@
 #endregion
 
 using OpenRA.GameRules;
-namespace OpenRA.Traits.Activities
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Activities
 {
 	class HeliLand : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/HeliReturn.cs b/OpenRA.Mods.RA/Activities/HeliReturn.cs
similarity index 93%
rename from OpenRA.Game/Traits/Activities/HeliReturn.cs
rename to OpenRA.Mods.RA/Activities/HeliReturn.cs
index 2d447840e0..21ff3be0c4 100644
--- a/OpenRA.Game/Traits/Activities/HeliReturn.cs
+++ b/OpenRA.Mods.RA/Activities/HeliReturn.cs
@@ -19,8 +19,10 @@
 #endregion
 
 using System.Linq;
+using OpenRA.Traits;
+using OpenRA.Traits.Activities;
 
-namespace OpenRA.Traits.Activities
+namespace OpenRA.Mods.RA.Activities
 {
 	public class HeliReturn : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/Land.cs b/OpenRA.Mods.RA/Activities/Land.cs
similarity index 94%
rename from OpenRA.Game/Traits/Activities/Land.cs
rename to OpenRA.Mods.RA/Activities/Land.cs
index 920971cdf3..49f9e117cb 100644
--- a/OpenRA.Game/Traits/Activities/Land.cs
+++ b/OpenRA.Mods.RA/Activities/Land.cs
@@ -20,8 +20,9 @@
 
 using System;
 using OpenRA.GameRules;
+using OpenRA.Traits;
 
-namespace OpenRA.Traits.Activities
+namespace OpenRA.Mods.RA.Activities
 {
 	public class Land : IActivity
 	{
diff --git a/OpenRA.Game/Traits/Activities/ReturnToBase.cs b/OpenRA.Mods.RA/Activities/ReturnToBase.cs
similarity index 94%
rename from OpenRA.Game/Traits/Activities/ReturnToBase.cs
rename to OpenRA.Mods.RA/Activities/ReturnToBase.cs
index 38ff915767..56e31495ca 100644
--- a/OpenRA.Game/Traits/Activities/ReturnToBase.cs
+++ b/OpenRA.Mods.RA/Activities/ReturnToBase.cs
@@ -21,8 +21,9 @@
 using System;
 using System.Linq;
 using OpenRA.GameRules;
+using OpenRA.Traits;
 
-namespace OpenRA.Traits.Activities
+namespace OpenRA.Mods.RA.Activities
 {
 	public class ReturnToBase : IActivity
 	{
diff --git a/OpenRA.Mods.RA/AirstrikePower.cs b/OpenRA.Mods.RA/AirstrikePower.cs
index 8970396794..38a7534292 100644
--- a/OpenRA.Mods.RA/AirstrikePower.cs
+++ b/OpenRA.Mods.RA/AirstrikePower.cs
@@ -21,6 +21,7 @@
 using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/AttackHeli.cs b/OpenRA.Mods.RA/AttackHeli.cs
index e0be5e4844..6a3a28f54a 100644
--- a/OpenRA.Mods.RA/AttackHeli.cs
+++ b/OpenRA.Mods.RA/AttackHeli.cs
@@ -20,6 +20,7 @@
 
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/AttackPlane.cs b/OpenRA.Mods.RA/AttackPlane.cs
index 0783081975..e592504414 100644
--- a/OpenRA.Mods.RA/AttackPlane.cs
+++ b/OpenRA.Mods.RA/AttackPlane.cs
@@ -20,6 +20,7 @@
 
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/CrateDrop.cs b/OpenRA.Mods.RA/CrateDrop.cs
index 78249a6d3e..81e14a8443 100644
--- a/OpenRA.Mods.RA/CrateDrop.cs
+++ b/OpenRA.Mods.RA/CrateDrop.cs
@@ -23,6 +23,7 @@ using System.Collections.Generic;
 using OpenRA.GameRules;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Game/Traits/Helicopter.cs b/OpenRA.Mods.RA/Helicopter.cs
similarity index 95%
rename from OpenRA.Game/Traits/Helicopter.cs
rename to OpenRA.Mods.RA/Helicopter.cs
index f77011dc6b..5e9fadf2c0 100644
--- a/OpenRA.Game/Traits/Helicopter.cs
+++ b/OpenRA.Mods.RA/Helicopter.cs
@@ -22,8 +22,10 @@ using System;
 using System.Linq;
 using OpenRA.Traits.Activities;
 using OpenRA.GameRules;
+using OpenRA.Traits;
+using OpenRA.Mods.RA.Activities;
 
-namespace OpenRA.Traits
+namespace OpenRA.Mods.RA
 {
 	class HelicopterInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index a914993e76..64533c77b7 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -50,9 +50,18 @@
     <Compile Include="Activities\DeliverOre.cs" />
     <Compile Include="Activities\Demolish.cs" />
     <Compile Include="Activities\EnterTransport.cs" />
+    <Compile Include="Activities\Fly.cs" />
+    <Compile Include="Activities\FlyAttack.cs" />
+    <Compile Include="Activities\FlyTimed.cs" />
+    <Compile Include="Activities\HeliAttack.cs" />
+    <Compile Include="Activities\HeliFly.cs" />
+    <Compile Include="Activities\HeliLand.cs" />
+    <Compile Include="Activities\HeliReturn.cs" />
     <Compile Include="Activities\Infiltrate.cs" />
+    <Compile Include="Activities\Land.cs" />
     <Compile Include="Activities\LayMine.cs" />
     <Compile Include="Activities\Leap.cs" />
+    <Compile Include="Activities\ReturnToBase.cs" />
     <Compile Include="Activities\Steal.cs" />
     <Compile Include="Activities\Teleport.cs" />
     <Compile Include="Activities\UnloadCargo.cs" />
@@ -87,6 +96,7 @@
     <Compile Include="Fake.cs" />
     <Compile Include="Harvester.cs" />
     <Compile Include="HasUnitOnBuild.cs" />
+    <Compile Include="Helicopter.cs" />
     <Compile Include="Husk.cs" />
     <Compile Include="LeavesHusk.cs" />
     <Compile Include="LightPaletteRotator.cs" />
@@ -111,6 +121,7 @@
     <Compile Include="ParaDrop.cs" />
     <Compile Include="ParatroopersPower.cs" />
     <Compile Include="Passenger.cs" />
+    <Compile Include="Plane.cs" />
     <Compile Include="ProductionSurround.cs" />
     <Compile Include="RenderFlare.cs" />
     <Compile Include="RenderInfantry.cs" />
diff --git a/OpenRA.Mods.RA/ParaDrop.cs b/OpenRA.Mods.RA/ParaDrop.cs
index b900a8457c..66ae29387c 100644
--- a/OpenRA.Mods.RA/ParaDrop.cs
+++ b/OpenRA.Mods.RA/ParaDrop.cs
@@ -24,6 +24,7 @@ using OpenRA.Traits;
 using OpenRA.Traits.Activities;
 using OpenRA.FileFormats;
 using OpenRA.GameRules;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/ParatroopersPower.cs b/OpenRA.Mods.RA/ParatroopersPower.cs
index 77f00cb4fa..99dbc3e10b 100644
--- a/OpenRA.Mods.RA/ParatroopersPower.cs
+++ b/OpenRA.Mods.RA/ParatroopersPower.cs
@@ -21,6 +21,7 @@
 using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Game/Traits/Plane.cs b/OpenRA.Mods.RA/Plane.cs
similarity index 94%
rename from OpenRA.Game/Traits/Plane.cs
rename to OpenRA.Mods.RA/Plane.cs
index 46b5849193..5c5d3d30cc 100644
--- a/OpenRA.Game/Traits/Plane.cs
+++ b/OpenRA.Mods.RA/Plane.cs
@@ -22,8 +22,10 @@ using System;
 using System.Linq;
 using OpenRA.Traits.Activities;
 using OpenRA.GameRules;
+using OpenRA.Traits;
+using OpenRA.Mods.RA.Activities;
 
-namespace OpenRA.Traits
+namespace OpenRA.Mods.RA
 {
 	public class PlaneInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/ReturnOnIdle.cs b/OpenRA.Mods.RA/ReturnOnIdle.cs
index 1484bb7899..295a9996ac 100644
--- a/OpenRA.Mods.RA/ReturnOnIdle.cs
+++ b/OpenRA.Mods.RA/ReturnOnIdle.cs
@@ -22,6 +22,7 @@ using System;
 using OpenRA.Traits.Activities;
 using System.Drawing;
 using OpenRA.Traits;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/SpyPlanePower.cs b/OpenRA.Mods.RA/SpyPlanePower.cs
index 3caa89843e..1783594217 100644
--- a/OpenRA.Mods.RA/SpyPlanePower.cs
+++ b/OpenRA.Mods.RA/SpyPlanePower.cs
@@ -22,6 +22,7 @@ using System.Collections.Generic;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
 using OpenRA.Orders;
+using OpenRA.Mods.RA.Activities;
 
 namespace OpenRA.Mods.RA
 {