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  2. Mk 13 rifle - Wikipedia

    en.wikipedia.org/wiki/Mk_13_rifle

    The Mk 13 MOD 5 utilizes the "long-action" bolt of the Remington 700/M24 receiver and has a precision barrel that can be fitted with the suppressor of the Mk 11. It has a 3-sided Modular Accessory Rail System (MARS) for mounting optics on top and Picatinny rail accessories on each side, and a folding bipod. [2]

  3. Mark 41 vertical launching system - Wikipedia

    en.wikipedia.org/wiki/Mark_41_Vertical_Launching...

    Manufacturer. Martin Marietta. Lockheed Martin. Variants. Mk 57. Mk 70 Mod 1. The Mark 41 vertical launching system (Mk 41 VLS) is a shipborne missile canister launching system which provides a rapid-fire launch capability against hostile threats. [1] The vertical launching system (VLS) concept was derived from work on the Aegis Combat System.

  4. Mark 46 torpedo - Wikipedia

    en.wikipedia.org/wiki/Mark_46_torpedo

    The Mark 46 torpedo is the backbone of the United States Navy 's lightweight anti-submarine warfare torpedo inventory and is the NATO standard. These aerial torpedoes are designed to attack high-performance submarines. In 1989, an improvement program for the Mod 5 to the Mod 5A and Mod 5A (S) increased its shallow-water performance.

  5. Modular arithmetic - Wikipedia

    en.wikipedia.org/wiki/Modular_arithmetic

    Adding 4 hours to 9 o'clock gives 1 o'clock, since 13 is congruent to 1 modulo 12. In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" when reaching a certain value, called the modulus. The modern approach to modular arithmetic was developed by Carl Friedrich Gauss in his book Disquisitiones ...

  6. 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 ...

  7. Mark 32 Surface Vessel Torpedo Tubes - Wikipedia

    en.wikipedia.org/wiki/Mark_32_Surface_Vessel...

    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 Australian Navy frigates, or Royal Navy units using Sting Ray torpedoes). [5][6] The tubes are ...

  8. Skynet (satellite) - Wikipedia

    en.wikipedia.org/wiki/Skynet_(satellite)

    The MoD is currently specifying a new architecture for Skynet to replace the Skynet 5 system, whose funding programme ends in August 2022. The vision for Skynet 6 is a flexible system architecture that combines UK government, allied and commercial satellites, including the current Skynet 5 satellites.

  9. Modular multiplicative inverse - Wikipedia

    en.wikipedia.org/wiki/Modular_multiplicative_inverse

    Modular multiplicative inverses are used to obtain a solution of a system of linear congruences that is guaranteed by the Chinese Remainder Theorem. For example, the system X ≡ 4 (mod 5) X ≡ 4 (mod 7) X ≡ 6 (mod 11) has common solutions since 5,7 and 11 are pairwise coprime. A solution is given by