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Gun laying is the process of aiming an artillery piece or turret, such as a gun, howitzer, or mortar, on land, at sea, or in air, against surface or aerial targets. It may be laying for either direct fire , where the gun is aimed directly at a target within the line-of-sight of the user, or by indirect fire , where the gun is not aimed directly ...
The first beer sold in a can was in 1935, when a brewery in the United States inquired American Can Company about the possibility of packaging their beer in cans. In 1931, American Can Company began to experiment with the possibility of canned beer as they anticipated that the Prohibition period would soon end. The major obstacle in producing ...
The first mention of radar in the UK was a 1930 suggestion made by W. A. S. Butement and P. E. Pollard of the Army War Office's Signals Experimental Establishment (SEE). [1] [2] They proposed building a radar system for detecting ships to be used with shore batteries, and went so far as to build a low-power breadboard prototype using pulses at 50 cm wavelength (600 MHz).
The Automatic Gun-Laying Turret (AGLT), also known as the Frazer-Nash FN121, was a radar-directed, rear gun turret fitted to some British bombers from 1944. AGLT incorporated both a low-power tail warning radar and fire-control system , which could detect approaching enemy fighters , aim and automatically trigger machine guns – in total ...
The M51 Skysweeper (Gun, M51, Antiaircraft or Gun automatic, 75-mm T83E6, and E7, recoil mechanism, and loader rammer) was an anti-aircraft gun deployed in the early 1950s by both the U.S. Army and U.S. Air Force. It was the first such gun to combine a gun laying radar, analog computer (director) and an autoloader on a single carriage.
Radar, Gun Laying, Mark III, or GL Mk.III for short, was a radar system used by the British Army to directly guide, or lay, anti-aircraft artillery (AA). The GL Mk. III was not a single radar, but a family of related designs that saw constant improvement during and after World War II.
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The first battle in which the fireplan consisted entirely of predicted fire was the Battle of Cambrai in 1917, in which the British guns were moved into surveyed positions at the last moment, achieving tactical surprise when they commenced firing. [1] Predicted fire requires precise surveying of the gun position and accurate maps.