First step in saving lives
MACDILL AIR FORCE BASE, Fla. (AFPN) -- Senior Airman Corinna Carver inspects an HGU-55P helmet system. The helmet provides communication and a source of oxygen for pilots. Airman Carver is an aircrew life-support technician with the 91st Air Refueling Squadron. (U.S. Air Force photo by Airman 1st Class Bradley A. Lail)