Langley AFB transitions to new maintenance initiative
U.S. Air Force Airman 1st Class Christian Moore, 633rd Civil Engineer Squadron electrical power production journeyman, conducts preventative maintenance inspections on equipment at Langley Air Force Base, Va., Nov. 22, 2013. The preventative maintenance initiative corrects faults in advance to limit the need for corrective maintenance. (U.S. Air Force photo by Shaun Eagan/Released)