U.S. Airmen assigned to the 633rd Medical Group receive pre-deployment screenings Sept. 24, 2014, at Joint Base Langley-Eustis, Va. Airmen with the unit were scheduled to deploy to Monrovia, Liberia, in support of Operation United Assistance. United Assistance is a U.S. Africa Command-led operation to provide command and control, logistics, training and engineering support to the U.S. government's efforts to contain the Ebola virus outbreak in West African nations. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)