A C-17 Globemaster carrying personnel from the 633rd Medical Group prepares for departure at Langley Air Force Base, Va., Sept. 26. The 633rd MDG mission during their deployment to West Africa is to deliver and build the Air Force’s Expeditionary Medical Support System, a modular medical treatment platform and train healthcare workers in its operation. Langley Airmen will not be involved in treatment of patients exposed to the virus. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)