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2,700 ft/s (820 m/s) Effective firing range. 20,000 yd (18,288 m) at 15° elevation. 30,000 yd (27,432 m) at 47° elevation As coastal artillery. The 12-inch/45-caliber Mark 5 gun was an American naval gun that first entered service in 1906. Initially designed for use with the Connecticut -class of pre-dreadnought battleships, the Mark 5 ...
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 ...
An interim Mk 54 Mod 0 weapon (now called the B54-0) was put into production in April 1963. Drop tests for this weapon were conducted at velocities up to 31 feet per second (9.4 m/s) vertical and 17 feet per second (5.2 m/s) horizontal without damage. [2] Production of the B54 Mod 1 SADM began in August 1964. The weapon was 12 inches (305 mm ...
In July 2012, the Mark 38 MGS program was further expanded, resulting in the Mark 38 Mod 3, the latest variant of the system. [5] The Mod 3 is currently being fielded by BAE under a separate program from the TLS program. [3] In FY2019, a Maritime Accelerated Acquisition program was started to procure the Mod 4 variant of the Mark 38.
Torpedo Data Computer. U.S. Navy Mk III Torpedo Data Computer, the standard US Navy torpedo fire control computer during World War II. Later in World War II (1943), it was replaced by the TDC Mk IV, which was an improved and larger version. The Torpedo Data Computer (TDC) was an early electromechanical analog computer used for torpedo fire ...
Also pressed into service during the conflict was the last model of the Bliss-Leavitt, the Mark 9, and the first US torpedoes to be designed totally within the Navy without industry collaboration, [10] the Mk 11 and Mk 12). [11] [12] US 21-inch torpedo (probably Bliss-Leavitt Mark 7 or Mark 8) being loaded onto the USS Oklahoma, c. 1919
The Navy had surplus machine guns left over from World War 2 and Korea, but they were chambered for the earlier .30-06 Springfield cartridge rather than the new standard 7.62mm NATO cartridge. The Mk 21 Mod 0 was a US Navy conversion of the .30 M1919A4 to fire the 7.62mm NATO cartridge. This was accomplished by replacing the barrel, bolt, and ...
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.