diff --git a/OpenRa.Game/OpenRa.Game.csproj b/OpenRa.Game/OpenRa.Game.csproj
index 80e5bc199f..c9317d181a 100644
--- a/OpenRa.Game/OpenRa.Game.csproj
+++ b/OpenRa.Game/OpenRa.Game.csproj
@@ -216,6 +216,7 @@
     <Compile Include="Traits\Explodes.cs" />
     <Compile Include="Traits\ChronoshiftDeploy.cs" />
     <Compile Include="Traits\Fake.cs" />
+    <Compile Include="Traits\GpsSatellite.cs" />
     <Compile Include="Traits\Harvester.cs" />
     <Compile Include="Traits\Helicopter.cs" />
     <Compile Include="Traits\InvisibleToOthers.cs" />
diff --git a/OpenRa.Game/Shroud.cs b/OpenRa.Game/Shroud.cs
index 56cc9efb59..400075390a 100644
--- a/OpenRa.Game/Shroud.cs
+++ b/OpenRa.Game/Shroud.cs
@@ -26,6 +26,20 @@ namespace OpenRa.Game
 
 			dirty = true;
 		}
+		
+		public void RevealAll()
+		{
+			for (int x = 0; x < 128; x++)
+				for (int y = 0; y < 128; y++)
+					explored[x, y] = true;
+		}
+		
+		public void HideAll()
+		{
+			for (int x = 0; x < 128; x++)
+				for (int y = 0; y < 128; y++)
+					explored[x, y] = false;
+		}
 
 		Sprite ChooseShroud(int i, int j)
 		{
diff --git a/OpenRa.Game/Traits/GpsSatellite.cs b/OpenRa.Game/Traits/GpsSatellite.cs
new file mode 100644
index 0000000000..4cb62d968f
--- /dev/null
+++ b/OpenRa.Game/Traits/GpsSatellite.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game.Traits
+{
+	class GpsSatellite
+	{
+		public GpsSatellite(Actor self)
+		{
+			// TODO: connect this to a special power that calls Activate();
+			Activate(self);
+		}
+		
+		public void Activate(Actor self)
+		{
+			// TODO: Launch satellite
+			self.Owner.Shroud.RevealAll();
+		}
+	}
+}
diff --git a/units.ini b/units.ini
index 6ed539a5f0..3b156254a1 100644
--- a/units.ini
+++ b/units.ini
@@ -345,7 +345,7 @@ MINV
 ; `Produces` is a category of objects that this building can produce.
 [ATEK]
 Description=Allied Tech Center
-Traits=Building, RenderBuilding, IronCurtainable
+Traits=Building, RenderBuilding, IronCurtainable, GpsSatellite
 Dimensions=2,2
 Footprint=xx xx
 SelectionPriority=3