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USS North Carolina (BB-55) is the lead ship of the North Carolina class of fast battleships, the first vessel of the type built for the United States Navy.Built under the Washington Treaty system, North Carolina ' s design was limited in displacement and armament, though the United States used a clause in the Second London Naval Treaty to increase the main battery from the original armament of ...
The North Carolina class were a pair of fast battleships, North Carolina and Washington, built for the United States Navy in the late 1930s and early 1940s.. In planning a new battleship class in the 1930s, the US Navy was heavily constrained by international treaty limitations, which included a requirement that all new capital ships have a standard displacement of under 35,000 LT (35,600 t).
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.
Mark 45 lightweight gun turret. The US Navy desired a digital computerized gun fire-control system in 1961 for more accurate shore bombardment. Lockheed Electronics produced a prototype with AN/SPQ-9 radar fire control in 1965. An air defense requirement delayed production with the AN/SPG-60 until 1971. The Mark 86 did not enter service until ...
Yard workers hoist one of nine 16"/50 Mark VII gun barrels aboard the USS Iowa during her construction in 1942. The 16-inch/50 caliber Mark 7 guns of the forward turret of the battleship USS Wisconsin (BB-64) fire at enemy targets ashore on the Korean Peninsula on 30 January 1952 during the Korean War.
A newer version of the 14"/50 caliber gun, Mark B, was designed in 1937. It was the original gun intended for use on the North Carolina-class battleships, in three quadruple turrets. The Mark B was the most powerful 14 inch weapon ever designed by the United States, being simpler and lighter than the older versions.
USS North Carolina (BB-55) was torpedoed by Japanese submarine I-19 on 15 September 1942, 150 miles southeast of Guadalcanal, the same spread of torpedoes which also hit and sank USS Wasp. She received emergency repairs at Tonga and proceeded to Pearl Harbor for permanent repairs.
The final class of armored cruisers to be built for the US Navy, North Carolina and her sisters were armed with a main battery of four 10-inch (254 mm) guns, and were capable of a top speed of 22 knots (41 km/h; 25 mph). North Carolina spent much of her career in the Atlantic Ocean and Caribbean Sea conducting training and visiting foreign ...