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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 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.
A newer version of the 14"/50 caliber gun, Mark B, was designed in 1937.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.
The North Carolina and South Dakota classes could also fire the 2,700-pound Mark 8 shell with the 16"/45 caliber Mark 6 gun, although with a shorter range. The Mark 6 gun was not as heavy as the Mark 7, which helped both battleship classes to conform to the limits of the Washington Naval Treaty.
The Tennessee-class battleships were equipped with 12 14-inch/.50 caliber guns as their primary armament, mounted in four triple-gun turrets. The USS Tennessee (BB-43) was the lead ship of this ...
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 use of Director-controlled firing together with the fire control computer moved the control of the gun laying from the individual turrets to a central position (usually in a plotting room protected below armor), although individual gun mounts and multi-gun turrets could retain a local control option for use when battle damage prevented the ...
The single 14-inch gun turret of a British Abercrombie-class monitor during World War I. Eight US Navy standard 14-inch/45-caliber guns, complete with mountings, were built by Bethlehem Steel for the Greek battleship Salamis under construction in Germany.