Staff Sgt. Angel Madrigal, 9th Security Forces Squadron combat arms instructor, breaks down and cleans a M-9 Berretta hand gun at the combat arms facility on Beale Air Force Base, Calif., Jan. 10, 2013. The combat arms instructors are in charge of making sure each weapon is clean and serviceable. (U.S. Air Force photo by Senior Airman Allen Pollard/Released)