Gotland class submarine

Gotland class submarine

The "Gotland" class attack submarines of the Swedish Navy are modern diesel-electric submarines. They are the first submarines in the world to feature a Stirling engine air-independent propulsion (AIP) system, which extends their underwater endurance from a few days to two weeks. [cite web | title=The Gotland class submarine - submerged several weeks | work=Kockums | url=http://www.kockums.se/Submarines/gotland.html | accessdate=2008-04-06] This capability has previously only been available with nuclear powered submarines.

Features

The Gotland class attack submarine is one of the most moden submarines of the Swedish Navy in service, mainly designed for submarine missions such as anti-shipping operations, ASW-missions, forward surveillance, special operations and mine-laying tasks. [cite web | title=The Gotland class submarine - submerged several weeks | work=Kockums | url=http://www.kockums.se/Submarines/gotland.html | accessdate=2008-04-06] .

Being a conventional ship running on an Air Independent Propulsion (AIP) system renders the submarine with low signatures, extreme shock resistance and a powerful combat system, paired with other features included in the submarine for it to fulfill successfully all of the missions stated above. [cite web | title=The Gotland class submarine - submerged several weeks | work=Kockums | url=http://www.kockums.se/Submarines/gotland.html | accessdate=2008-04-06] .

Automation has also been implemented in the submarine class, with only one operator needed to steer the submarine in depth and course, with the help of computerized steering. With this, the small crew has had a very favourable impact on accommodation standards and operating costs. [cite web | title=The Gotland class submarine - submerged several weeks | work=Kockums | url=http://www.kockums.se/Submarines/gotland.html | accessdate=2008-04-06] .

Units

Lease to the United States Navy

In 2004, the Swedish government received a request from the United States of America to lease HMS "Gotland" – Swedish-flagged, commanded and manned, for a duration of one year for use in anti-submarine warfare exercises. The Swedish government granted this request in October 2004, with both navies signing a memorandum of understanding on March 21 2005. [cite web | title=US Navy Leasing Swedish Gotland-Class Submarine | work=Deagel | url=http://www.deagel.com/news/US-Navy-Leasing-Swedish-Gotland-Class-Submarine_n000000395.aspx | accessdate=2004-11-05] [cite press release | url=http://www.news.navy.mil/search/display.asp?story_id=17621 | title=U.S., Swedish Navies Sign Agreement to Bilaterally Train on State-of-the-Art Sub |publisher=United States Navy | date=2005-03-23] The lease was extended for another 12 months in 2006. [cite news | url=http://www.thelocal.se/article.php?ID=3574 | publisher=The Local | title=US Navy to continue hunt for Swedish sub | date=2006-04-18 | accessdate=2006-07-21] [cite press release | url=http://www.kockums.se/News/060613gotland.html | title=Gotland extends US stay for another year | publisher=Kockums AB | date=2006-06-13 | accessdate=2006-07-21] [cite press release|url=http://www.kockums.com/News/070509gotland.html|title=HMS Gotland’s Stirling propulsion system basis of success in the USA|publisher=Kockums AB|date=2007-05-09]

HMS "Gotland" managed to snap several pictures of the USS "Ronald Reagan" during a wargaming exercise in the Pacific Ocean, effectively "sinking" the aircraft carrier. [cite news | url=http://www.knbc.com/news/10116514/detail.html?rss=la&psp=news | publisher=KNBC | title=Pentagon: New Class Of Silent Submarines Poses Threat | date=2006-10-19 | accessdate=2006-07-21] The exercise was conducted to evaluate the effectiveness of the US Fleet against diesel-electric submarines, which some have noted as severely lacking. [cite journal | last=Polmar | first=Norman | year=2006 | month=March | title=Back to the Future | journal=U.S. Naval Institute Proceedings | volume=132 | issue=3 | pages=22–23 | id=0041-798X] [cite web | title=US Navy Struggles to Recapture, Keep ASW Proficiency | work=The Nav Log | url=http://navlog.org/asw_feb06.html | accessdate=2008-04-06]

In July 2007, HMS "Gotland" departed San Diego for Sweden. [cite web | title=SSK Gotland Class (Type A19) Attack Submarine, Sweden | work=Naval Technology | url=http://www.naval-technology.com/projects/gotland/ | accessdate=2008-04-06]

Gallery

See also

*Type 212 submarine The latest class of the German Navy with AIP.
*A26 (submarine) The next generation of Swedish submarines equipped with Stirling engines.
*Project 667 Lada The latest Russian conventional submarine featuring AIP

References


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