I started out my Army career as an M1A1 tank platoon leader...fortunately they have an NBC overpressure system that will vent a tank pretty quickly, even when you’re buttoned up. Also, MOPP suits do in fact, filter from the inside out!
61 posted on 03/03/2010 11:48:17 AM PST by Joe 6-pack
(Que me amat, amet et canem meum)