Keith Tyson, AbilityOne Base Supply Center associate, demonstrates his responsibilities to Col. William Knight, 11th Wing/ Joint Base Andrews commander, after the center’s grand opening ceremony on Aug. 7, 2012. The Base Supply Center is operated by the Blind Industries and Services of Maryland. The grand opening featured dignitaries, guest speakers and musical performances. (U.S. Air Force photo/ Staff Sgt. Keyonna Fennell)