Lt. Col. David Lenderman, former commander of the 421st Combat Training Squadron, addresses the squadron for a final time during the 421st CTS change-of-command ceremony June 24 at the U.S. Air Force Expeditionary Center on Joint Base McGuire-Dix-Lakehurst, N.J. (U.S. Air Force photo by Staff Sgt. Nathan Bevier/Released)