Probably an American film from the eighties or thereabouts, only scene I remember shows a bunch of new teenage army recruits sat around and being given an introductory speech.  One of them is extremely uncomfortable with the situation and starts saying things like ‘any one of you tries anything with me will regret it’ and ‘any of you queers better not come near me.’   The Instructor is saying how ‘we’ll all watch out for each other’ and one of them whispers ‘and maybe we won’t.’