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  2. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in U.S. Patent No. 2,950,048, granted on August 23, 1960.

  3. SEAL Delivery Vehicle - Wikipedia

    en.wikipedia.org/wiki/SEAL_Delivery_Vehicle

    Specifications are given for Mark 8 SDV. The SEAL Delivery Vehicle ( SDV) is a crewed submersible and a type of swimmer delivery vehicle used to deliver United States Navy SEALs and their equipment for special operations missions. It is operated by SEAL Delivery Vehicle Teams. The SDV, which has been in continuous service since 1983, is used ...

  4. B61 nuclear bomb - Wikipedia

    en.wikipedia.org/wiki/B61_nuclear_bomb

    Believed to be either 0.3–340 kt [3] or 0.3–400 kt [4] in the weapon's various mods. The B61 nuclear bomb is the primary thermonuclear gravity bomb in the United States Enduring Stockpile following the end of the Cold War. It is a low-to-intermediate yield strategic and tactical nuclear weapon featuring a two-stage radiation implosion design.

  5. Joint Expeditionary Force (Maritime) - Wikipedia

    en.wikipedia.org/wiki/Joint_Expeditionary_Force...

    The Joint Expeditionary Force (Maritime) (or JEF (M)) (formerly the Response Force Task Group (RFTG), and prior to that the Joint Rapid Reaction Force (JRRF)), is the Royal Navy 's contribution to the Joint Expeditionary Force (JEF) maintained at very high-readiness and available at short notice to respond to unexpected global events. [1]

  6. Los Angeles-class submarine - Wikipedia

    en.wikipedia.org/wiki/Los_Angeles-class_submarine

    USS Los Angeles, lead boat of the class. The Los Angeles class of submarines are nuclear-powered fast attack submarines ( SSN) in service with the United States Navy. Also known as the 688 class (pronounced "six-eighty-eight") after the hull number of lead vessel USS Los Angeles (SSN-688), 62 were built from 1972 to 1996, the latter 23 to an ...

  7. RSD-10 Pioneer - Wikipedia

    en.wikipedia.org/wiki/RSD-10_Pioneer

    The RSD-10 Pioneer ( Russian: ракета средней дальности (РСД) «Пионер» tr.: raketa sredney dalnosti (RSD) "Pioner"; English: Medium-Range Missile "Pioneer") was an intermediate-range ballistic missile with a nuclear warhead, deployed by the Soviet Union from 1976 to 1988. It carried GRAU designation 15Ж45 ...

  8. Sculthorpe Training Area - Wikipedia

    en.wikipedia.org/wiki/Sculthorpe_Training_Area

    Sculthorpe Training Area, [1] [3] previously Royal Air Force Sculthorpe and commonly abbreviated RAF Sculthorpe, is a training site owned by the British Ministry of Defence (MoD). It is approximately 3 miles (4.8 kilometres) west of Fakenham in the county of Norfolk in England. It forms part of the Defence Training Estate .

  9. Blue–green deployment - Wikipedia

    en.wikipedia.org/wiki/Blue–green_deployment

    In blue–green deployments, two servers are maintained: a "blue" server and a "green" server. At any given time, only one server is handling requests (e.g., being pointed to by the DNS ). For example, public requests may be routed to the blue server, making it the production server and the green server the staging server, which can only be ...