Factual error: In the Templehoff Airport flyover scene there are Soviet era Antonov An-12 propeller driven aircraft on the tarmac. These were first used by the Soviets in 1953.
Factual error: When Vinny Panzienza has his cervical halo brace removed (without anesthetics), he yells and groans and grunts in pain, but his hands are relaxed on the arms of the chair. I can tell you, from experience with this exact situation, the pain is so intense that his hands should have been clenched as tight as a vise.
Continuity mistake: When Kurt and Kavi are washing clothes, the clothes change position on the line, specifically the red shirt at the end and the shorts Kavi hangs up. The red shirt is twisted around the line, but in the shot of Kavi hanging the shorts, the shirt is hanging perfectly straight down.