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The IBM Naval Ordnance Research Calculator (NORC) was a one-of-a-kind first-generation (vacuum tube) computer built by IBM for the United States Navy's Bureau of Ordnance. It went into service in December 1954 [ 1 ] and was likely the most powerful computer at the time. [ 2 ]
The Harvard Mark II, also known as the Aiken Relay Calculator, [1] [2] [3] was an electromechanical computer built under the direction of Howard Aiken at Harvard University, completed in 1947. It was financed by the United States Navy and used for ballistic calculations at Naval Proving Ground Dahlgren .
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 HP-67 is a magnetic card-programmable handheld calculator, introduced by Hewlett-Packard in 1976 at an MSRP of $450. [1] A desktop version with built-in thermal printer was sold as the HP-97 at a price of $750. [2]
The Bluejacket's Manual is the basic handbook for United States Navy personnel. First issued in 1902 to teach recruits about naval procedures and life and offer a reference for active sailors, it has become the "bible" for Navy personnel, providing information about a wide range of Navy topics. The current edition is the 26th, published in 2023.
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").
AN/SLQ-32(V)2 – Initially the most common variant, the (V)2 expanded on the (V)1's capabilities with new receiving antennas for increased radio frequency coverage. It added the ability to detect high frequency targeting and fire-control radars, providing early warning against an imminent anti-ship missile attack. [ 4 ]
A 1960s operations room aboard the Royal Navy destroyer HMS Cavalier A CIC in a naval context brings together and manages information on the warship's status and its surroundings, and supplies this to the commanding officer , who would generally be present on the nearby bridge or where plots can be viewed and, if one is aboard, a flag officer ...