diff --git a/OpenRa.Game/Actor.cs b/OpenRa.Game/Actor.cs
index e8a2e177ca..3d99808bbc 100755
--- a/OpenRa.Game/Actor.cs
+++ b/OpenRa.Game/Actor.cs
@@ -36,7 +36,6 @@ namespace OpenRa.Game
 			Location = location;
 			CenterLocation = Traits.Util.CenterOfCell(Location);
 			Owner = owner;
-			IsInWorld = true;
 
 			if (Info == null) return;
 
diff --git a/OpenRa.Game/OpenRa.Game.csproj b/OpenRa.Game/OpenRa.Game.csproj
index 752d599047..296dae3aa4 100644
--- a/OpenRa.Game/OpenRa.Game.csproj
+++ b/OpenRa.Game/OpenRa.Game.csproj
@@ -118,6 +118,7 @@
     <Compile Include="Traits\Activities\Attack.cs" />
     <Compile Include="Traits\Activities\CaptureBuilding.cs" />
     <Compile Include="Traits\Activities\Demolish.cs" />
+    <Compile Include="Traits\Activities\EnterTransport.cs" />
     <Compile Include="Traits\Activities\Fly.cs" />
     <Compile Include="Traits\Activities\FlyAttack.cs" />
     <Compile Include="Traits\Activities\FlyTimed.cs" />
diff --git a/OpenRa.Game/Traits/Activities/EnterTransport.cs b/OpenRa.Game/Traits/Activities/EnterTransport.cs
new file mode 100644
index 0000000000..daa875173d
--- /dev/null
+++ b/OpenRa.Game/Traits/Activities/EnterTransport.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game.Traits.Activities
+{
+	class EnterTransport : IActivity
+	{
+		public IActivity NextActivity { get; set; }
+		bool isCanceled;
+		public Actor transport;
+
+		public EnterTransport(Actor self, Actor transport)
+		{
+			this.transport = transport;
+		}
+
+		public IActivity Tick(Actor self)
+		{
+			if (isCanceled) return NextActivity;
+			if (transport == null || !transport.IsInWorld) return NextActivity;
+
+			var cargo = transport.traits.Get<Cargo>();
+			if (cargo.IsFull(transport)) 
+				return NextActivity;
+
+			cargo.Load(transport, self);
+			Game.world.AddFrameEndTask(w => w.Remove(self));
+
+			return this;
+		}
+
+		public void Cancel(Actor self) { isCanceled = true; NextActivity = null; }
+	}
+}
diff --git a/OpenRa.Game/Traits/Activities/UnloadCargo.cs b/OpenRa.Game/Traits/Activities/UnloadCargo.cs
index 2f23dc7886..b0af980ab5 100644
--- a/OpenRa.Game/Traits/Activities/UnloadCargo.cs
+++ b/OpenRa.Game/Traits/Activities/UnloadCargo.cs
@@ -51,7 +51,8 @@ namespace OpenRa.Game.Traits.Activities
 			if (exitTile == null) 
 				return this;
 
-			var actor = cargo.UnloadOne(self);
+			var actor = cargo.Unload(self);
+
 			Game.world.AddFrameEndTask(w =>
 			{
 				w.Add(actor);
diff --git a/OpenRa.Game/Traits/Cargo.cs b/OpenRa.Game/Traits/Cargo.cs
index 2f2bff52a8..c895c98bd9 100644
--- a/OpenRa.Game/Traits/Cargo.cs
+++ b/OpenRa.Game/Traits/Cargo.cs
@@ -11,15 +11,7 @@ namespace OpenRa.Game.Traits
 	{
 		List<Actor> cargo = new List<Actor>();
 
-		public Cargo(Actor self)
-		{
-			// hack:
-			cargo.Add(new Actor(Rules.UnitInfo["E1"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E1"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E1"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E6"], int2.Zero, self.Owner));
-			cargo.Add(new Actor(Rules.UnitInfo["E7"], int2.Zero, self.Owner));
-		}
+		public Cargo(Actor self) {}
 
 		public Order IssueOrder(Actor self, int2 xy, MouseInput mi, Actor underCursor)
 		{
@@ -50,7 +42,7 @@ namespace OpenRa.Game.Traits
 			return cargo.Count == 0;
 		}
 
-		public Actor UnloadOne(Actor self)
+		public Actor Unload(Actor self)
 		{
 			var a = cargo[0];
 			cargo.RemoveAt(0);
@@ -79,5 +71,10 @@ namespace OpenRa.Game.Traits
 
 			return PipType.Green;
 		}
+
+		public void Load(Actor self, Actor a)
+		{
+			cargo.Add(a);
+		}
 	}
 }
diff --git a/OpenRa.Game/Traits/Passenger.cs b/OpenRa.Game/Traits/Passenger.cs
index a4092d63d9..29521ecb09 100644
--- a/OpenRa.Game/Traits/Passenger.cs
+++ b/OpenRa.Game/Traits/Passenger.cs
@@ -34,8 +34,8 @@ namespace OpenRa.Game.Traits
 			if (order.OrderString == "EnterTransport")
 			{
 				self.CancelActivity();
-				self.QueueActivity(new Move(order.TargetActor, 0));
-				// todo: actually enter the transport
+				self.QueueActivity(new Move(order.TargetActor.Location, 1));
+				self.QueueActivity(new EnterTransport(self, order.TargetActor));
 			}
 		}
 	}
diff --git a/OpenRa.Game/World.cs b/OpenRa.Game/World.cs
index 53dcfc9e37..f8db600406 100644
--- a/OpenRa.Game/World.cs
+++ b/OpenRa.Game/World.cs
@@ -10,10 +10,18 @@ namespace OpenRa.Game
 		List<IEffect> effects = new List<IEffect>();
 		List<Action<World>> frameEndActions = new List<Action<World>>();
 
-		public void Add(Actor a) { actors.Add(a); ActorAdded(a); }
+		public void Add(Actor a)
+		{
+			a.IsInWorld = true; 
+			actors.Add(a); 
+			ActorAdded(a);
+		}
+
 		public void Remove(Actor a)
 		{
-			a.IsInWorld = false; actors.Remove(a); ActorRemoved(a);
+			a.IsInWorld = false; 
+			actors.Remove(a); 
+			ActorRemoved(a);
 		}
 
 		public void Add(IEffect b) { effects.Add(b); }