When Gral Mata appears in the bullring talking to Crnl Grissom, he's wearing the insignia of a Peruvian Army's Colonel, but when he's in his office, he uses the insignia of a General.
At 00:41, the aircraft they take off in has the ID of EP 819. EP is the designation for Iran, not Peru. After the plane take off, the ID changes to EP 821.