When Bodie and Doyle escort Harbinger to the airport, they use the brown Rover P6. On returning, they are in the white Dolomite
Ramos uses a bolt-action rifle in the tower. This type of weapon cannot deliver three shots in such rapid succession as the bolt has to be manually pulled between each one.
The sergeant on the gate is incorrectly dressed. He is not wearing a shirt under his sweater.
Several of the soldiers have hair that is far too long than would be allowed in the army at the time.