The 200 is not the number of prisoners but a reference to a Soviet code used for deceased soldiers: https://en.m.wikipedia.org/wiki/Cargo_200_(code_name) https:

The 200 is not the number of prisoners but a reference to a Soviet code used for deceased soldiers: https://en.m.wikipedia.org/wiki/Cargo_200_(code_name) https://en.m.wikipedia.org/wiki/Cargo_200_(code_name)