Aerial Port Airmen from Joint Base Pearl Harbor-Hickam, Hawaii, perform an engine-running on-load and off-load on C-17 Globemaster III during Air Mobility Rodeo 2011 at Joint Base Lewis-McChord, Wash., July 27. Air Mobility Rodeo is the U.S. Air Force's and Air Mobility Command's premier international combat skill and flying operations competition designed to develop and improve techniques, procedures and interoperability, while optimizing international mobility partnerships and enhancing mobility operations. (U.S. Air Force photo/Staff Sgt. Nicholas Pilch)