Keywords: Mark 45 Mod 4 lightweight gun (USS Preble).jpg Combat System Ships Qualification Test At sea aboard USS Preble DDG 88 Feb 18 2003 -- The forward Mark 45 Mod 4 lightweight gun 5 62 cal is fired with live ammunition as the ship begins its Combat System Ships Qualification Test CSSQT Preble was commissioned on Nov 9 2002 and is the newest Arleigh Burke class destroyer CSSQT is one of many qualifications a newly commissioned ship must undergo prior to its first deployment U S Navy photo by Photographer's Mate 3rd Class Ramon Preciado RELEASED Source http //www navy mil/view_image asp id 4655 PD-USGov-Military-Navy 5 /54 caliber Mark 45 gun firing Aboard USS Preble DDG-88 |