Continuity mistake: Near the beginning, Lt. Col. Daniel Kiley is in a scout plane and flies over Col. Martin Hessler, who is in a German staff car below. Kiley tells the pilot to "rev the engine" just above the car to entice Hessler to look up at them, so he can get a good photograph of his face. The plan works, and the ground level movie camera shows Hessler looking up. When the "photo from the air" is later developed, it shows Hessler looking up from the ground level camera's perspective, eyes focused about 30 degrees behind the airplane and giving a profile of Hessler.
Continuity mistake: In the initial German panzer attack against the Americans, a German tank 104's left side track and road wheels are damaged by a bazooka shell, resulting in a missing front road wheel and a loose/sagging track. However, when the tank turns off the road and goes down the slope, the left track is taut and the missing road wheel has magically appeared.