In combat, a heightened level of fear and anxiety becomes the new normal. A Veteran remembers going out on patrols where every step could be a booby-trap or an ambush. A WWII vet describes flying through bursting shells as he bombed Berlin. Hear what it’s like to be in a fire-fight, drive through Iraq getting shot at, stage a rescue while battling 25-foot seas, or fly unmanned aircraft.