Keywords: US Navy 030809-N-4304S-007 The guided missile destroyer USS John Paul Jones (DDG 53) fires a five-inch round from a Mk-45 5-inch gun (5 inch 54 cal.) during a live-fire exercise.jpg en Pacific Ocean Aug 9 2003 -- The guided missile destroyer USS John Paul Jones DDG 53 fires a five-inch round from a Mk-45 5-inch gun 5 54 cal during a live-fire exercise The Mk-45 is a lightweight gun providing surface combatants accurate naval gunfire against fast highly maneuverable surface targets air threats and shore batteries during amphibious operations U S Navy photo by Photographer's Mate 2nd Class Bradley J Sapp RELEASED 2003-08-09 030809-N-4304S-007 Navy http //www navy mil/view_image asp id 9160 U S Navy photo by Photographer's Mate 2nd Class Bradley J Sapp PD-USGov-Military-Navy 5 /54 caliber Mark 45 gun firing USS John Paul Jones DDG-53 |