1983 film starring Nick Nolte, Gene Hackman and Joanna Cassidy, set during the last days of the Nicaraguan revolution (5,4)
I believe the answer is:
under fire
(Other definitions for under fire that I've seen before include "Being shot at" , "subject to criticism" , "exposed to criticism" , "Make half-baked" , "Military situation, at the bottom of the grate?" .)