No fuel, no fight
U.S. Air Force Staff Sgt. Kyle Clement, a fuels lab technician assigned to the 509th Logistics Readiness Squadron, takes samples of fuel at Whiteman Air Force Base, Mo., March 8, 2018. The fuels technicians pull samples and test the fuel around base for water, additives and sediment like rocks, dirt or other particles. (U.S. Air Force photo by Airman 1st Class Taylor Phifer)