"It was a training simulation, we all learned the basic layout, and then altered it from there, filling it in or emptying it or just leaving it alone but booby trapping the whole thing. Everybody had their own technique."
He'd done a quick check of his pockets, he wasn't wearing fatigues, not really, but it was something close enough, a utility jumpsuit, like a pilot's flight suit, but closer fit, and with pockets instead of breathing apparatus. She was wearing something similar, if she'd taken the time to notice, "I can draw you up the basic layout, minus my alterations, see what you do with it. If you like."