U.S. Air Force aerial porters from team Dover Air Force Base, Del., chain down vehicles in a C-5 Galaxy during the aerial port engine running on-load competition at Air Mobility Rodeo, Joint Base Lewis-McChord, Wash., on July 26, 2011. Rodeo is the U.S. Air Force's and Air Mobility Command's premier international combat skills and flying operations competition designed to develop and improve techniques, procedures, and interoperability, while optimizing international mobility partnerships and enhancing mobility operations.