Official websites use .mil
Secure .mil websites use HTTPS
Airman 1st Class Steven Trottier, 51st Logistics Readiness Squadron fuels facility technician, analyzes a sample of JP-8 jet fuel taken from a filter separator at Osan Air Base, Republic of Korea, Oct. 15, 2015. Trottier checks to make sure the filters are doing their job of eliminating excess water and contaminants from the fuel. (U.S. Air Force photo/Staff Sgt. Amber Grimm)