A U.S. Air Force C-17 Globemaster III airdrops a pallet from the rear ramp during Air Mobility Rodeo 2011 at Yakima Firing Range on July 27, 2011. Rodeo is the U.S. Air Force'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. (U.S. Air Force photo/Tech. Sgt. Dan St. Pierre)