Wosick introduces himself as Lieutenant Wosick, even though he is wearing Captain's bars. His is demoted by Redding who hands him Lieutenant's Bars.
CPT/LT Wosick is shown wearing airborne wings over a combat infantryman's badge (CIB) on his left breast pocket. This is NOT in accordance with US Army regulations which stipulates the wearing of the CIB over the airborne wings.
The Lieutenant is wearing captains bars when promoted to Captain. And Lieutenant insignia after he has been promoted.
When the German armored trucks arrive we can see the license plate of the front vehicle.
The armoured personnel carrier used by the Waffen-SS troops has a license plate with a WH- prefix, meaning it belongs to the regular Army. It should have the prefix SS-.
When Colonel Redding is explaining the mission to Captain Picault and Lieutenant Wosick, he states that a German "millipede" gun was used to bombard Monte Cassino and was tucked away on the outskirts of Rome, hundreds of miles away. The actual distance from Rome to Monte Cassino is 73 miles.