 He's getting his EMs out there, and they're piling out this burning thing. And all of a sudden, he looks around and realizes he's missing a man. He didn't know where his sergeant was. He goes back into this burning tank, trying to find his sergeant. Okay, here's what had happened. A few moments before the round hit, these guys were what we call mob level four. That means you're in a chemical environment. You've got a protective mask on, everything else.