M.A.S.H. was released in 1970. Telling the story of a moble surgical hospital stationed in Korea in the 1950's. Starring Donald Sutherland, Elliot Gould, Tom Skerritt, Sally Kellerman, Robert Duvall, and Gary Burghoff. They used humor and hijinks to keep their sanity in the face of the horror of war.
A little known fact is that out of the entire cast of M.A.S.H. only Gary Burghoff, went on to star in the Television series.