Tech. Sgt. Michael Heifner and Staff Sgt. Graig Penna off-load cargo on the flight line at Joint Base Lewis-McChord, Wash., during Air Mobility Rodeo 2011. Heifner and Penna are aerial porters assigned to the 730th Air Mobility Squadron at Yokota Air Base, Japan, and the 733rd Air Mobility Squadron at Kadena Air Base, Japan, respectively. Both units are part of the 515th Air Mobility Operations Wing, a geographically-separated unit comprised of six squadrons throughout the Pacific. It is headquartered at JBPHH. (U.S. Air Force photo/Staff Sgt. Carolyn Herrick)