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In the United States Navy, main battery turrets are numbered fore to aft. [citation needed] Secondary gun mounts are numbered by gun muzzle diameter in inches followed by a second digit indicating the position of the mount, with the second digit increasing fore to aft. Gun mounts not on the centerline would be assigned odd numbers on the port ...
Position of USS Iowa's Turret Two. On 19 April 1989, an explosion occurred within the Number Two 16-inch gun turret of the United States Navy battleship USS Iowa (BB-61) during a fleet exercise in the Caribbean Sea near Puerto Rico. [1] The explosion in the center gun room killed 47 of the turret's crewmen and severely damaged the gun turret ...
A red stripe on the wall of each turret, inches from the railing, marked the limit of the gun's recoil as a safety warning to the turret's crew. [ 5 ] Complementing the 16-in/50 caliber Mark 7 gun was a fire control computer, the Ford Instrument Company Mark 8 Range Keeper .
The 8"/55 caliber gun (spoken "eight-inch-fifty-five-caliber") formed the main battery of United States Navy heavy cruisers and two early aircraft carriers. United States naval gun terminology indicates the gun barrel had an internal diameter of 8 inches (203 mm), and the barrel was 55 calibers long (barrel length is 8 inch × 55 = 440 inches ...
In modern times the US Navy refers primarily to the Mark number of the gun mount (turret), but in World War II the model of the gun was the primary reference point. The gun turrets for most 6-inch and larger guns of the 1920s through 1945 were known according to the class of ship the turret was to be mounted on. [7] [8]
It consists of an M242 Bushmaster chain gun mounted on a turret that can be either manually or remote controlled, depending on variant. [2] [3] Originally designed by the United States in the 1980s for use on their warships, [3] the Mark 38 is today in service on warships of various NATO countries. [4]
The 14-inch/45-caliber guns were installed as the primary armament aboard all of the United States Navy's New York-class, Nevada-class, and Pennsylvania-class battleships. The gun also saw service in the British Royal Navy, where it was designated BL 14-inch gun Mk II.
The 5-inch (127 mm)/54-caliber (Mk 45) lightweight gun is a U.S. naval artillery gun mount consisting of a 5 in (127 mm) L54 Mark 19 gun on the Mark 45 mount. [1] It was designed and built by United Defense, a company later acquired by BAE Systems Land & Armaments, which continued manufacture.