Keywords: Flickr - Official U.S. Navy Imagery - USS Mason fires gun during calibration firing..jpg ATLANTIC OCEAN Jan 14 2011 The guided-missile destroyer USS Mason DDG 87 fires its MK-45 5-inch/54-caliber lightweight gun during a pre-aim calibration fire Mason is deployed as part of the Enterprise Carrier Strike Group supporting maritime security operations and theater security cooperation efforts in the U S 5th and 6th Fleet areas of responsibility U S Navy photo by Mass Communication Specialist 3rd Class Jeffry A Willadsen/Released http //www flickr com/photos/usnavy/5372995259/ USS Mason fires gun during calibration firing 2011-01-14 12 08 http //www flickr com/people/56594044 N06 Official Navy Page from United States of America MC3 effry A Willadsen/U S Navy Attribution License IPTC Source Navy Visual News Service PD-USGov-Military-Navy Official U S Navy Imagery http //flickr com/photos/56594044 N06/5372995259 2012-11-16 11 57 14 cc-by-2 0 Images from United States Navy to check Firing naval artillery |