Maybe I am just getting bitchy in my twilight years, but there is a dearth of films that depict life in an army between wars, or at least between deployments. Any you are apt to find will be British or more likely, American. Culturally the Canadian Army comes somewhere between them, with a structure closer to the British but a social background that reflects our North American roots. Tunes of Glory is a great film, but it is about a conscript British battalion in the dark days after the Second World War when rationing and all the rest made the UK a dark and dreary place.
Maybe From Here to Eternity would be a start, but again it is American, and maybe not all that reflective of real life at that. It is, however, a helluva good movie.
My 2 cents, which is considerably more than I made as a movie critic last year.