Senior Airman Austin Johnson, 62nd Aerial Port Squadron, drives a 60K loader with cargo to be secured on board a C-17 Globemaster III at McChord Air Forace Base, Wash., on Sept. 24, 2009. This was preparation prior to the C-17 departing for a mission in support of Operation Deep Freeze to Antarctica. (U.S. Air Force Photo/Abner Guzman)