this would have 6 stars, if possible.
i was an infantry officer (US army) and met many "personnel" with different agency's. IF you think those guys are like GI Joe or some steriod freak or such. think again. look at fassbender as that is a good clue.
the guys i knew were yes-i bit jacked (muscle) but oh, well-a bit hollywood.
this movie has it all. it ALL. theme, thought and intense.
the only excuse i can think for these one-stars is the "snowflake" mentality of the US. maybe the violence or claimed "sexism". the movie is realistic.
proof you do not have to spend 100million to make a good, powerful delivered movie.