U.S. Air Force Brig. Gen. Michael Kingsley, Air Force Special Operations Command vice commander, speaks about retired Chief Master Sgt. William Walter, AFSOC program analyst, during a ceremony held at the AFSOC headquarters building on Hurlburt Field, Fla., Sept. 5, 2012. Walter submitted an idea to refurbish five 40mm M2A1 guns found on Nellis Air Force Base, Nev. and saved the Air Force $607,000 to $2.36 million. (U.S. Air Force photo/Airman 1st Class Christopher Williams)