Cargo 200 (Russian: Груз 200, Gruz 200) is the code word referring to casualties for transportation in the Soviet and modern militaries of post-Soviet states. In its official meaning, Cargo 200 refers to bodies contained in zinc-lined coffins, but in military context this code word can be used for dead bodies as they are transported from the battlefield.
Cargo 300 is the code for wounded soldiers.
References
Cargo 200 (code name) Wikipedia(Text) CC BY-SA