U.S. Air Force Col. Wayne M. Pritt, 633rd Medical Group commander, briefs redeployers at Langley Air Force Base, Va., Oct. 20, 2014. The team of 34, part of United States Africa Command’s Joint Task Force United Assistance, constructed an expeditionary field hospital for the U.S. Public Health Service's use in caring for international medical workers. The facility can treat an at-risk population of up to 6,500. (U.S. Air Force photo by Senior Airman Aubrey White/Released)