Basic (2003)

Plot:

An Army sergeant takes six of his special troops on a training mission into the rain-soaked Colombian jungles and only two come out alive. When the rescue mission arrives, they see one soldier killing another and carrying a wounded comrade. As the interrogation begins, the soldier refuses to talk to anyone other than another Ranger. The investigating officer protests, but her commanding officer nonetheless brings in a former Ranger and current DEA agent to help. The agent is currently on suspension from DEA for allegedly accepting a bribe. From this point on, the plot continues to twist and turn and offers numerous surprises that keeps the story interesting.