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The Iowa class was a class of six fast battleships ordered by the United States Navy in 1939 and 1940. They were initially intended to intercept fast capital ships such as the Japanese KongÅ class and serve as the "fast wing" of the U.S. battle line.
Figure 1: Rangekeeper Coordinate System. The coordinate system has the target as its origin. The y axis value range to the target. US Navy rangekeepers during World War II used a moving coordinate system based on the line of sight (LOS) between the ship firing its gun (known as the "own ship") and the target (known as the "target").
As each battleship arrived for modernization during the early and mid-1980s the Bofors mounts that remained aboard were removed due in large part to the ineffectiveness of such manually aimed weapons against modern day jet fighters and enemy missiles. The replacement for the Bofors guns was the US Navy's Phalanx Close-in weapon system (CIWS). [24]
The term "fast battleship" was applied to new designs in the early 1910s incorporating propulsion technology that allowed for higher speeds without sacrificing armour protection. The US Navy began introducing fast battleships into service following the Second London Naval Treaty of 1936, with a total of ten across three classes entering service.
Mark 1A Computer Mk 37 Director above the bridge of destroyer USS Cassin Young with AN/SPG-25 radar antenna. The Mark 1, and later the Mark 1A, Fire Control Computer was a component of the Mark 37 Gun Fire Control System deployed by the United States Navy during World War II and up to 1991 and possibly later.
The firepower of a battleship's main armament demonstrated by USS Iowa unleashing a broadside volley, during which the muzzle blasts from her 16-inch main guns disturb the surrounding ocean surface. A battleship is a large, heavily armored warship with a main battery consisting of large guns, designed to serve as capital ships.
Shipboard stability computer programs can be used to calculate a vessel's displacement. The process of determining a vessel's displacement begins with measuring its draft. [3] This is accomplished by means of its "draft marks". A merchant vessel has three matching sets: one mark each on the port and starboard sides forward, midships, and astern ...
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 ...