The grin Richard offered back crossed the line from smirk into something significantly more disquieting. He had the perfect dare. It was childish, it was asinine, it required nothing that they didn't already have, and it would break the Sarge's demeanor like a thin twig. He felt the rush of a hunter who had just seen his trap snap shut... or maybe that was just the claustrophobia. At any rate, he offered his challenge in a quiet, collected tone that had laughter just underneath the surface.
"Underwear. On your head. Until we're rescued." Who knew? Maybe he'd get a chance for his own private Samuel strip show, which from the looks of things would hardly be unpleasant. At worst, he would have won the game.