If you have Maneuver Warfare, please download Update 1.34. This update expands the number of missions where you can play the Allied side. The additional missions let you command:
-French and British forces attempting to crush the Abbeville bridgehead in 1940
-Soviet forces defending against the German advance towards the Bug during Operation Barbarossa
-Soviet forces during the first Battle of Kursk scenario
-US forces during beginning of the Battle of the Bulge
-US forces defending a bridgehead across the Rhine in 1945