diff --git a/OpenRA.Mods.Cnc/AirstrikePower.cs b/OpenRA.Mods.Cnc/AirstrikePower.cs
index ca1582b479..0dd25bbf46 100644
--- a/OpenRA.Mods.Cnc/AirstrikePower.cs
+++ b/OpenRA.Mods.Cnc/AirstrikePower.cs
@@ -18,10 +18,9 @@
  */
 #endregion
 
-using System.Collections.Generic;
+using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
-using OpenRA.Orders;
 
 namespace OpenRA.Mods.Cnc
 {
diff --git a/OpenRA.Mods.Cnc/IonCannonPower.cs b/OpenRA.Mods.Cnc/IonCannonPower.cs
index 9cc1aa2cb1..f646af2d2c 100644
--- a/OpenRA.Mods.Cnc/IonCannonPower.cs
+++ b/OpenRA.Mods.Cnc/IonCannonPower.cs
@@ -18,11 +18,9 @@
  */
 #endregion
 
-using System.Collections.Generic;
-using System.Linq;
 using OpenRA.Mods.Cnc.Effects;
-using OpenRA.Traits;
 using OpenRA.Orders;
+using OpenRA.Traits;
 
 namespace OpenRA.Mods.Cnc
 {
diff --git a/OpenRA.Mods.RA/GpsPower.cs b/OpenRA.Mods.RA/GpsPower.cs
index 153d4a03d8..a2f78654b5 100644
--- a/OpenRA.Mods.RA/GpsPower.cs
+++ b/OpenRA.Mods.RA/GpsPower.cs
@@ -46,7 +46,7 @@ namespace OpenRA.Mods.RA
 
 			Owner.World.AddFrameEndTask(w =>
 			{
-				Sound.PlayToPlayer(Owner, "satlnch1.aud");
+				Sound.PlayToPlayer(Owner, Info.LaunchSound);
 
 				w.Add(new SatelliteLaunch(launchSite));
 				w.Add(new DelayedAction((Info as GpsPowerInfo).RevealDelay * 25, 
diff --git a/OpenRA.Mods.RA/ParatroopersPower.cs b/OpenRA.Mods.RA/ParatroopersPower.cs
index f922d88c03..ad52ebeb8c 100644
--- a/OpenRA.Mods.RA/ParatroopersPower.cs
+++ b/OpenRA.Mods.RA/ParatroopersPower.cs
@@ -18,10 +18,9 @@
  */
 #endregion
 
-using System.Collections.Generic;
+using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
-using OpenRA.Orders;
 
 namespace OpenRA.Mods.RA
 {
diff --git a/OpenRA.Mods.RA/SupportPowers/NukePower.cs b/OpenRA.Mods.RA/SupportPowers/NukePower.cs
index a5156f8749..905d1591a2 100755
--- a/OpenRA.Mods.RA/SupportPowers/NukePower.cs
+++ b/OpenRA.Mods.RA/SupportPowers/NukePower.cs
@@ -18,12 +18,10 @@
  */
 #endregion
 
-using System.Collections.Generic;
 using System.Linq;
-using OpenRA.Effects;
 using OpenRA.Mods.RA.Effects;
-using OpenRA.Traits;
 using OpenRA.Orders;
+using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA.SupportPowers
 {
diff --git a/mods/ra/system.yaml b/mods/ra/system.yaml
index 7119b5a4c1..84e6e2389c 100644
--- a/mods/ra/system.yaml
+++ b/mods/ra/system.yaml
@@ -12,6 +12,7 @@ Player:
 		Prerequisites: ATEK
 		TechLevel: 12
 		RevealDelay: 15
+		LaunchSound: satlnch1.aud
 	ChronoshiftPower:
 		Image: warpicon
 		ChargeTime: 7