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  2. 5-inch/51-caliber gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/51-caliber_gun

    5-inch/51-caliber gun. 5"/51 caliber guns (spoken "five-inch-fifty-one-caliber") initially served as the secondary battery of United States Navy battleships built from 1907 through the 1920s, also serving on other vessels. United States naval gun terminology indicates the gun fired a projectile 5-inch (127 mm) in diameter, and the barrel was 51 ...

  3. 130 mm/50 B13 Pattern 1936 - Wikipedia

    en.wikipedia.org/wiki/130_mm/50_B13_Pattern_1936

    The 130 mm/50 B13 Pattern 1936 was a 130 mm (5.1 in) 50 caliber Soviet naval gun.The weapon was the standard primary armament of Soviet-built destroyers from about 1935 to 1954 (although it would remain in-service well into the 1990s), and it was also utilized as a coastal gun and railway gun.

  4. List of active Royal Navy ships - Wikipedia

    en.wikipedia.org/wiki/List_of_active_Royal_Navy...

    The total displacement of the Royal Navy's commissioned ships is approximately 411,400 tonnes. The Royal Navy also includes a number of smaller non-commissioned assets. The naval training vessels Brecon and Hindostan can be found based at the Royal Navy stone frigates HMS Raleigh and the Britannia Royal Naval College, respectively.

  5. Aegis Combat System - Wikipedia

    en.wikipedia.org/wiki/Aegis_Combat_System

    The Aegis Combat System (ACS) implements advanced command and control (command and decision, or C&D, in Aegis parlance). It is composed of the Aegis Weapon System (AWS), the fast-reaction component of the Aegis Anti-Aircraft Warfare (AAW) capability, along with the Phalanx Close In Weapon System (CIWS), and the Mark 41 Vertical Launch System. [2]

  6. List of submarine classes of the United States Navy - Wikipedia

    en.wikipedia.org/wiki/List_of_submarine_classes...

    5 others were made; only Holland (SS-1) entered the U.S. Navy as it was the first officially commissioned submarine purchased on 11 April 1900. Plunger: 7: 1900: 1903: Later renamed A class in November 1911, when Navy stopped naming submarines. Essentially enlarged, more powerful Holland. B: 3: 1905: 1907

  7. 5-inch/54-caliber Mark 45 gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/54-caliber_Mark_45_gun

    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 ...

  8. 5.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/5.1_surround_sound

    The left and right surround speakers in the bottom line create the surround sound effect. 5.1 surround sound ("five-point one") is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. [1] It uses five full bandwidth channels and one low-frequency effects channel (the "point one"). [2]

  9. 5-inch/38-caliber gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/38-caliber_gun

    The Mark 12 5"/38-caliber gun was a United States dual-purpose naval gun, but also installed in single-purpose mounts on a handful of ships. The 38- caliber barrel was a mid-length compromise between the previous United States standard 5"/51 low-angle gun and 5"/25 anti-aircraft gun. United States naval gun terminology indicates the gun fired a ...