Here are two links to reviews of the movie. The reviews are both written by men that have spent considerable time witnessing the real thing. I have not seen the movie yet.
http://lens.blogs.nytimes.com/2010/03/01/essay-15/?scp=2&sq=hurt%20locker&st=cseandhttp://www.newsweek.com/id/234064
I rented it from the recommendation of a guy that works there. I would not recommend it to some one else. No plot and unrealistic.