Staff Sgt. Dallas English, 28th Logistics Readiness Sqaudron fuels laboratory NCO in charge, places a water detection pad on a hose during a monthly fuel sample test on a fuel truck at Ellsworth Air Force Base, S.D., March 26, 2013. The pad absorbs samplings of the jet fuel while keeping out water and other contaminants that could damage B-1 fuel filters and sensing lines. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)