Staff Sgt. Ryan Walker, 28th Maintenance Group quality assurance inspector, connects a fuel hose to a B-1 during a hot pit refueling test and evaluation at Ellsworth Air Force Base, S.D., Sept. 25, 2012. The ability to perform hot pit refueling on base will increase the ability for base B-1s to meet sortie requirements. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)