Keywords: US Navy 041129-N-5345W-034 Aviation Ordnanceman Airman James Brady, left, and Aviation Ordnanceman 2nd Class Douglas Vanstrien perform routine maintenance on an M61A1 20mm Vulcan cannon.jpg en Persian Gulf Nov 29 2004 - Aviation Ordnanceman Airman James Brady left and Aviation Ordnanceman 2nd Class Douglas Vanstrien both assigned to the Gunslingers of Strike Fighter Squadron One Zero Five VFA-105 perform routine maintenance on an M61A1 20mm Vulcan cannon after removing it from the nose of one of their squadron's F/A-18C Hornets aboard the Nimitz-class aircraft carrier USS Harry S Truman CVN 75 The M61A1 utilized by the F-14 Tomcat and F/A-18 Hornet aircraft is a hydraulically driven six barreled rotary action air cooled electrically fired weapon with selectable rates of fire either 4000 or 6000 rounds per minute Truman's Carrier Strike Group Ten CSG-10 and her embarked Carrier Air Wing Three CVW-3 are currently on a scheduled deployment in support of the Global War on Terrorism U S Navy photo by Photographer s Mate Airman Kristopher Wilson RELEASED 2004-11-29 041129-N-5345W-034 Navy http //www navy mil/view_image asp id 19264 U S Navy photo by Photographer s Mate Airman Kristopher Wilson PD-USGov-Military-Navy Aviation Ordnanceman Aboard USS Harry S Truman CVN-75 M61 Vulcan Strike Fighter Squadron 105 United States Navy |