U.S. Air Force Senior Airman Shane Posey, 633rd Medical Support Squadron biomedical equipment technician, checks an air conditioning system during a medical global response force training exercise at Joint Base Langley-Eustis, Va., Oct. 19, 2016. Upon arriving to a global response force mission, technicians must have the field hospital up and running within 60 hours. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)