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Complementing the 16-in/50 caliber Mark 7 gun was a fire control computer, the Ford Instrument Company Mark 8 Range Keeper. This analog computer was used to direct the fire from the battleship's big guns, taking into account factors including the speed of the targeted ship, the projectile's travel time, and air resistance.
The early main battery fire control consisted of the Fire Control Tower, [7] two Mark 38 Gun Fire Control Systems (GFCS), [8] and fire control equipment located in two of the three turrets. [9] As modernized in the 1980s, each turret carried a DR-810 radar that measured the muzzle velocity of each gun, which made it easier to predict the ...
These guns fire high explosive- and armor-piercing shells and can fire a 16-inch shell approximately 23.4 nautical miles (43.3 km; 26.9 mi). [ 35 ] [ 36 ] The guns are housed in three 3-gun turrets: two forward of the battleship's superstructure and one aft, in a configuration known as "2-A-1".
The U.S. Navy had the 16"/50-caliber Mark 2 guns left over from the canceled Lexington-class battlecruisers and South Dakota-class battleships of the early 1920s. However it was already apparent that the Mark 2 was too heavy to arm the North Carolina and new South Dakota (1939) battleship classes which had to adhere to the 35,000 ton standard displacement set by the Second London Naval Treaty.
Cutaway of a 16-inch gun turret. The primary armament of a Montana-class battleship would have been twelve 16-inch (406 mm)/50 caliber Mark 7 guns, which were to be mounted in four three-gun turrets. The turrets were placed in two superfiring pairs, one forward and one aft. [18]
The battleship USS Missouri (BB-63) arrives at Pearl Harbor, where then-President George H. W. Bush announces that the ship will be decommissioned in California. Casey Ryback, a chief petty officer and a culinary specialist, is preparing meals to celebrate commanding officer Captain Adams' birthday, against the orders of executive officer Commander Krill, who has arranged for food and ...
The first US Navy 16-inch gun was the 16-inch/45 caliber Mark 1 gun, which armed the Colorado-class battleships launched 1920–21. [ 5 ] [ 6 ] The second Navy design, the Mark 2, was intended as armament for the planned South Dakota -class battleships , and also selected for the modified design of the Lexington -class battlecruisers ...
USS Iowa (BB-61) fires a full broadside volley during a target exercise near Vieques Island, Puerto Rico, 1 July 1984, showing the muzzle blast from its 16 inch main battery and the pressure effect on the water surface surrounding the ship. A muzzle blast is an explosive shockwave created at the muzzle of a firearm during shooting.