After being strafed by a British aircraft that burns out one truck and it's trailer, the truck remains part of the convoy in later scenes.
The German spy was talking about a "holy war" or "jihad," and not 'jeddah,' as used in the film. "Jeddah" pronounced by its people, means "prosperity and happiness."
The seaplane used was a Grumman G-21 Goose built in New York, and though correct for the era, the Germans did not have any in their military.
At 00:40:19 Neither of the M2HB machine gun have no front or rear sights, but you can plainly see the mounting plates.
At 01:23:57 it shows a formation of supposed Lancaster bombers then
at 01:24:02 it switches to a formation of B-24 Liberators.
When the frogmen first board the prison ship, one is holding a pistol with a silencer. The silencer is clearly bent.
When Capt. Bergman attacks and kills the sentry, blood is visible on his right (knife) hand before he stabs the sentry.
Guard on dock has Madsen M50 Submachine Gun adopted in the 1950's.
In the convoy heading to Tobruk the trucks are M135 and M54 models. These are early-1950s vintage trucks.
All tanks featured are from the late 40's to the early 50's. For example the M48 Patton was produced from 1952-1959 and the M41 Walker Bulldog was produced from 1951-1954.
The intravenous line for plasma shown going into Miss Portman's arm is actually more modern plastic line of the 1960s and 70s instead of the rubber tubing line furnished medics in WWII.
In one shot a Joshua tree is clearly visible, a plant species only found in the United States.