Visible crew/equipment: When SFC William James goes through the plastic sheeting to see a dead body on the table, you can see an ungloved, crew member's hand open the entrance for him. (01:20:40)
Continuity mistake: At the start, the guy is putting the bomb suit on and the collar is down. Camera cuts and the collar is up. (00:04:45)
Answer: It's a term similar to "a world of hurt". It's both outside of you and within you. The outside definition is that a hurt locker is anywhere you go to find pain. In the film's case, war-torn Iraq is the hurt locker. Inside, your hurt locker is the place you bury your anguish.
johnrosa