Staff Sgt. Spencer Hardesty (right), 99th Logistics Readiness Squadron firetruck/refueling truck mechanic, goes over the maintenance schedule for the R-12 refueling truck with Senior Airman Christopher Clanton, 99th LRS firetruck/refueling truck mechanic, at Nellis Air Force Base, Nev., Feb. 16, 2016. In the 2016 fiscal year, the maintenance unit is already responsible for 22 million gallons of fuel pumped, supporting 11,000 sorties. (U.S. Air Force photo by Airman 1st Class Kevin Tanenbaum)