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The 5-inch (127 mm)/54-caliber (Mk 45) lightweight gun is a U.S. naval artillery gun mount consisting of a 5 in (127 mm) L54 Mark 19 gun on the Mark 45 mount. [1] It was designed and built by United Defense, a company later acquired by BAE Systems Land & Armaments, which continued manufacture. The latest 62-calibre-long version consists of a ...
Mark (designation) The word mark, followed by number, is a method of designating a version of a product. It is often abbreviated as Mk or M. This use of the word possibly originates from the use of physical marks made to measure height or progress. Furthermore, by metonymy the word mark is used to note a defined level of development or a model ...
The Mark 42 5"/54 caliber gun (127mm) is a naval gun (naval artillery) mount used by the United States Navy and other countries. It consisted of the Mark 18 gun and Mark 42 gun mount. United States naval gun terminology indicates the gun fires a projectile 5 inches (127.0 mm) in diameter, and the barrel is 54 calibers long (barrel length is 5 ...
Mark 34 Gun Weapon System. USS Mason fires her Mark 45 Mod 4. The Mark 34 Gun Weapon System (GWS) is a component of the Aegis Combat System that is responsible for controlling and providing fire control to the 5" Mark 45 gun. It is used on the U.S. Navy Arleigh Burke -class destroyer and several later Ticonderoga -class cruisers.
From the BL Mark I gun of 1916 the 4.7-inch (120 mm) calibre was the mid-calibre weapon of the Royal Navy, used particularly on destroyers. Apart from some ships armed with QF 4-inch Mk V guns due to shortages, it remained the standard weapon for destroyers up to the W-class destroyers of 1943. Its usefulness as an anti-aircraft weapon had been ...
The exception is the Mod 9 sets, which only have two tubes and are fixed in position. [3] The Mark 32 can fire 12.75-inch (324 mm) torpedoes of the Mark 44 , Mark 46 , Mark 50 (from the Mod 17 tubes onwards), [ 3 ] [ 4 ] and Mark 54 [ citation needed ] designs, and can be modified to use other torpedoes (such as the MU90 Impact aboard Royal ...
The Rifle No. 5 Mk I, nicknamed the "jungle carbine" for its use in jungle warfare, was a bolt action carbine derivative of the British Lee–Enfield No. 4 Mk I. [5] It was developed per jungle fighting experiences in the Pacific War that led the British to decide "a rifle shorter and lighter" than the regular Lee–Enfield was critical for better mobility. [6]
The AGM-45A used the Rocketdyne Mk 39 Mod 0 (or apparently in some cases the Aerojet Mk 53 Mod 1) motor, while the AGM-45B used Aerojet Mk 78 Mod 0 which greatly increased the range of the missile. As for warheads, the Mk 5 Mod 0, Mk 86 Mod 0, and WAU-8/B could all be fitted to the AGM-45A and were all blast-fragmentation in nature.