U.S. Air Force Airmen assigned to the 633rd Medical Group set up a tent wall for a medical training exercise at Langley Air Force Base, Va., Oct. 13, 2015. The Airmen must be able to build a hospital with little or no help from civil engineers or logistics readiness in a deployed setting because manpower and resources could be limited. (U.S. Air Force photo by Staff Sgt. Ciara Gosier/Released)