Some of the rebels tried to surrender when they saw how bad things were going, but the Empire forces aren't interested in taking prisoners.
In return, you betrayed us to the Empire forces.
We only put up with him because he's so good at making the Empire forces look like pratts.
He spun round and found himself facing the alien he'd seen earlier with the Empire forces.
We're fighting a trench and tunnel war with the Empire forces.
The fight went on, the rebels pushing back the Empire forces almost at will, until finally some security officer had the good sense to surrender.
British Empire forces lost 3,700 dead and 8,000 taken prisoner.
You must have thought this thing through far enough to see that we can't have patients here when the Empire force arrives.
The Empire forces hadn't even been able to draw the great man's blood yet.