The Germans arrive at the gypsy camp in a Willys Jeep.
The US Army Air Force had a very limited part in operations in the Eastern Mediterranean, and so it would be very unlikely that there would be US pilot(s) on Chios.
Given the Nazi propensity for transporting gypsies to concentration camps, it is surprising that there is still a gypsy camp on Chios.
The German motorcyclists are riding modern American motorcycles.
Chios does not lie in a direct route between Greece and Egypt and would have been an unlikely stop-off on an escape route to Egypt.
Zaira refers to Demetri by his real name, and not by a false name. Real identities would have been hidden to protect family members and to make identifying individuals more difficult.