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

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

    The 5" (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. It was designed and built by United Defense, a company later acquired by BAE Systems Land & Armaments, which continued manufacture.

  4. Navy - Wikipedia

    en.wikipedia.org/wiki/Navy

    A navy, naval force, military maritime fleet, war navy, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake -borne, riverine, littoral, or ocean -borne combat operations and related functions.

  5. Marksmanship Device - Wikipedia

    en.wikipedia.org/wiki/Marksmanship_Device

    Marksmanship Device. A Marksmanship Ribbon device is primarily a miniature metal rifle, pistol, target, service star, or letter E or S which may be worn if authorized on a Marksmanship Ribbon awarded to members of the United States Coast Guard, United States Air Force, and United States Navy .

  6. United States Navy - Wikipedia

    en.wikipedia.org/wiki/United_States_Navy

    The United States Navy ( USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the world's most powerful navy and the largest by tonnage, at 4.5 million tons in 2021 [9] and in 2009 an estimated battle fleet tonnage that exceeded the next 13 navies combined. [10]

  7. Sexual Harassment/Assault Response & Prevention - Wikipedia

    en.wikipedia.org/wiki/Sexual_Harassment/Assault...

    SHARP is a proactive U.S. Army program which aims to end sexual harassment and assault in the service. [1] [a] Sexual harassment is a crime in the armed forces, under the UCMJ Article 134 by executive order on 26 January 2022. [2] [3] Those accused of a crime such as sexual harassment,or assault are subject to the UCMJ (or to civil statute).

  8. 5.56×45mm NATO - Wikipedia

    en.wikipedia.org/wiki/5.56×45mm_NATO

    The 5.56×45mm NATO standard SS109/M855 cartridge was designed for maximum performance when fired from a 508 mm (20.0 in) long barrel, as was the original 5.56 mm M193 cartridge. Experiments with longer length barrels up to 610 mm (24.0 in) resulted in no improvement or a decrease in muzzle velocities for the SS109/M855 cartridge.

  9. Operation Sharp Guard - Wikipedia

    en.wikipedia.org/wiki/Operation_Sharp_Guard

    Operation Sharp Guard was a multi-year joint naval blockade in the Adriatic Sea by NATO and the Western European Union on shipments to the former Yugoslavia. Warships and maritime patrol aircraft from 14 countries were involved in searching for and stopping blockade runners.