U.S. Air Force Staff Sgt. Brian Matosky, 633rd Force Support Squadron mortuary technician, and Senior Airman Larentae Waters, 633rd FSS personnelist, carry a simulated victim to a medical tent during the phase II operational readiness exercise at Langley Air Force Base, Va., Feb. 15, 2012. Airmen wear the gas mask during the phase II ORE as a means to improve their skills should an attack occur while in a deployed environment. (U.S. Air Force photo by Airman 1st Class Teresa Cleveland/Released)