U.S. Air Force Airman 1st Class Rhanesha Radford, 633rd Medical Operations Squadron medical technician, pulls weight tied to a rope during the Firefighter Challenge at Langley Air Force Base, Va., Oct. 9, 2015. The challenge consisted of events that tested the Airmen’s physical strength and stamina that firefighters use when responding to emergencies. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)