Photo Information Staff Sgt. Andrew Fennell, an armorer from the 452nd Security Forces Squadron, March Air Reserve Base, Calif., visually inspects the M-68 scope on an 5.56 mm M4 carbine rifle at the armory. (U.S. Air Force photo by Val Gempis) Photo by Val Gempis Download Details Share Security Forces armorer inspects carbine rifles 14 Mar 2008 | PRINT SHARE