A U.S. Army crew chief, right, with the 3rd Battalion, 160th Special Operations Aviation Regiment (SOAR) and an Air Force loadmaster with the 15th Airlift Squadron prepare to unload a MH-60 Black Hawk helicopter from a C-17 Globemaster III aircraft at Joint Base Charleston, S.C., Aug. 23, 2011. Airmen with the 437th Operations Group and Soldiers with the 160th SOAR conducted joint training to hone both units airlift skills.