Staff Sgt. Timothy Alewine (Left), 451st Expeditionary Aircraft Maintenance Squadron munitions specialist, and Master Sgt. Michael Stuart, 451st EAMXS aerospace ground equipment craftsman, carry a fellow service member on a litter during a Contingency Aerospace Staging Facility litter training exercise May 5, 2012. The training teaches volunteers proper lifting techniques and how to safely transport wounded warriors from Role 3 and the CASF to a C-130. (U.S. Air Force photo by Staff Sgt. Heather Skinkle)