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The Nevada class comprised two dreadnought battleships—Nevada and Oklahoma—built for the United States Navy in the 1910s. [a] They were significant developments in battleship design, being the first in the world to adopt "all or nothing" armor, a major step forward in armor protection because it emphasized protection optimized for long-range engagements before the Battle of Jutland ...
An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber (20 mm/0.79 in or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles fired by a machine gun.
Dreadnought mounted ten 12-inch guns. 12-inch guns had been standard for most navies in the pre-dreadnought era, and this continued in the first generation of dreadnought battleships. The Imperial German Navy was an exception, continuing to use 11-inch guns in its first class of dreadnoughts, the Nassau class .
1.1" autocannon United States: World War II 30: Internal: 30 mm Shipunov 2A42 Soviet Union: Cold War 30: Internal: 30 mm Shipunov 2A72 Soviet Union: Cold War 30: Internal: Gryazev-Shipunov GSh-30-1 Soviet Union: Cold War 30: Internal: Gryazev-Shipunov GSh-30-2 Soviet Union: Cold War 30: Internal: Ho-155 cannon Empire of Japan: World War II 30 ...
He wanted a long, flared bow, like that on the pre-dreadnought Renown but higher, four 15-inch guns in two twin-gun turrets, an anti-torpedo boat armament of twenty 4-inch (102 mm) guns mounted high up and protected by gun shields only, a speed of 32 knots using oil fuel and armour on the scale of the battlecruiser Indefatigable. Within a few ...
The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is primarily mounted in the United States Air Force's Fairchild Republic A-10 Thunderbolt II. Designed to destroy a wide variety of ground targets, the Avenger delivers 30mm rounds at a high rate of fire.
The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). [2] It features a Gatling-style rotating barrel assembly with an external power source, normally an electric motor.
Initially, the ships were designed to mount twelve .50 in (12.7 mm) machine guns and twelve 1.1 in (27.9 mm) autocannon. By March 1942, when South Dakota was completed, the anti-aircraft battery was modified to eight .50-inch and twenty-eight 1.1-inch machine guns and sixteen 20 mm (1 in) Oerlikon autocannon. In September of that year, the .50 ...