Armament AFSO 21
SHAW AIR FORCE BASE, S.C. -- Staff Sgt. Brandon Ferrel and Senior Airman Zach Johnson, 20th Equipment Maintenance Squadron armament system specialists, rebuild the M61A1 20mm gatling gun on new gun station table created with a rapid improvement event held by the 20th EMS March 12, 2009. The RIE is part of Air Force Smart Operations of the 21st Century being implemented on Shaw AFB. (U.S. Air Force photo/Senior Airman Matthew Davis)