Master Sgt. Shane Haney, Air Mobility Command standardization and evaluations, secures an aft slide as passengers evacuate a KC-135, during an egress scenario at Scott Air Force Base, Ill., on June 28, 2011. The Air Mobility Command-directed test was used to determine the quantity of passengers one passenger monitor can safely egress, or evacuate, from an aircraft in 90 seconds. (U.S. Air Force Photo/Staff Sgt. Stephenie Wade)