Continuity mistake: The film is set on the Western Front during WWI but was filmed in Ireland in 1965. As George Peppard is driving to join his squadron for the first time the camera pans the horizon and loads of houses can be seen to have TV aerials.
Continuity mistake: Lt. Stachel arrives at the squadron headquarters and the parking area is dry and dusty. He goes inside and when he emerges only minutes later the parking area is muddy and covered with large puddles.
Continuity mistake: George Peppard says his squadron shot down seven enemy planes after returning from a dogfight with SIX English aircraft. (02:00:46)
Continuity mistake: After George Peppard shoots down the English spotter plane at his airfield, fellow pilots crowd round as he confronts his Squadron Leader. The tail of the downed aircraft is behind him. When the shot changes to show George walking away, however, the crowd is standing in a different position in relation to the tailfin. (00:38:10)
