This is a game based on the Apocalypse World engine that is heavily influenced by the Night Witches RPG. This is a game about playing personnel assigned to a MASH unit in the Korean War. Disclaimers aside, it's obviously inspired by the movie and TV show M*A*S*H, but is also based on the same source material and has similar aesthetics. It presents an opportunity to explore many mature themes including war, racism, sexism, and homophobia.
I recently got to try the system as a one-shot and it went really well.