General Paul Selva, Air Mobility Command commander, reaches into a computer operated drill to look at a piece of metal fabricated at the 437th Aircraft Maintenance Squadron Metals Technology shop during a tour Feb. 13, 2013, at Joint Base Charleston – Air Base, S.C. Selva and Chief Master Sgt. Richard Kaiser, AMC command chief, arrived at JB Charleston, Feb. 13, 2013, for a three-day visit of extended tours of AMC units and installations JB Charleston. (U.S. Air Force photo/Senior Airman Dennis Sloan)