'Fuel Doctor' on duty
Airman 1st Class Sean McDonagh connects an inline sampler which is used to detect free water in fuel Oct. 24 at Eielson Air Force Base, Alaska. Making sure the fuel used by the aircraft at Eielson is always good to go, Airman McDonagh helps assure the process by constantly sampling the fuel lines and the trucks that distribute it to the aircraft. Airman McDonagh is a fuels laboratory technician assigned to the 354th Logistic Readiness Squadron. (U.S. Air Force photo/Airman 1st Class Christopher Griffin)