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  2. Periscope - Wikipedia

    en.wikipedia.org/wiki/Periscope

    The mechanical systems of submarine periscopes typically use hydraulics and need to be quite sturdy to withstand the drag through water. The periscope chassis may also support a radio or radar antenna. Submarines traditionally had two periscopes; a navigation or observation periscope and a targeting, or commander's, periscope.

  3. Submarine navigation - Wikipedia

    en.wikipedia.org/wiki/Submarine_navigation

    Navy Times Book of Submarines (1st ed.). New York, New York: Berkley Hardcover. ISBN 978-0-425-15777-0. Hutchinson, Robert (2001). Jane's Submarines: War Beneath the Waves from 1776 to the Present Day. HarperCollins Publishers. ISBN 978-0-06-081900-2. Leary, William M. (1999). Under Ice: Waldo Lyon and the Development of the Arctic Submarine ...

  4. Italian submarine Salvatore Pelosi (S 522) - Wikipedia

    en.wikipedia.org/wiki/Italian_submarine...

    Salvatore Pelosi was laid down at Fincantieri Monfalcone Shipyard on 23 July 1985 and launched on 29 November 1986. She was commissioned on 14 July 1988.. She had been homeported in Taranto between 1999 and 2002 and was subjected to radical works that affected the platform and the combat system.

  5. Virtual periscope - Wikipedia

    en.wikipedia.org/wiki/Virtual_periscope

    Virtual periscope is a system that allows submerged submarines to observe the surface above them without having to come to a shallower depth, as is required by traditional periscopes. The system, described in a patent as "Virtual Periscope", [1] was tested in 2005 aboard USS Chicago (SSN-721). It employed a small camera mounted on the sail of ...

  6. The US and British navies' newest submarines are equipped ...

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  7. List of equipment of the Republic of Singapore Navy - Wikipedia

    en.wikipedia.org/wiki/List_of_equipment_of_the...

    RSS Swordsman Sweden 2: Replacing some of the Challenger-class submarine, upgraded in 2016 till 2019, which includes optronic periscopes, combat management systems, sonars, countermeasure systems, digital data-links and attack capabilities which also allows the firing of new torpedoes and anti-ship missiles.

  8. Frigid water could keep Titanic sub passengers alive longer ...

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  9. Italian submarine Guglielmo Marconi (S 521) - Wikipedia

    en.wikipedia.org/wiki/Italian_submarine...

    Submarine Action Information System SMA/Datamat MM/SBN-716 SACTIS; periscopes Barr & Stroud CK31 Search and CH81 Attack Periscopes; communication system by ELMER; Electronic warfare & decoys: ESM systems Elettronica Spa, Thetis ELT/124-s and MM-BLD/1: Armament: 6 × 533 mm (21 in) torpedo tubes with reloads for: 1.) Black Shark torpedo; 2 ...