Australian Army Training Exercise starring Bill Hunter. from Aust. Archives
One Good Reason: http://www.youtube.com/watch?v=RcbKY61qng8"Made by Film Australia 1973. Directed by Donald Crombie. In memory of the great Australian actor Bill Hunter. Hunter features as Major Tom Archer in this film about the dilemma of an army major who is considering resigning to take a job in private enterprise. Shows the action and planning of a military field exercise."
Filmed by Dean Semler." (Dean went on to win an Oscar for Dances With Wolves etc
https://en.wikipedia.org/wiki/Dean_Semler.)
So much in this one.