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    US Nuclear Submarine Force

    max steel
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    Post  max steel on Wed Aug 03, 2016 12:59 am

    Columbia will replace Ohio class SSBN.

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    max steel
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    Post  max steel on Wed Aug 03, 2016 1:04 am

    US Navy Plans to Triple the Amount of Missiles per Submarine


    The Navy will soon finish initially prototyping new weapons tubes for its Virginia-Class submarines designed to massively increase missile firepower, bring the platform well into future decades and increase the range of payloads launched or fired from the attack boats.

    The new missile tubes, called the Virginia Payload Modules, will rev up the submarines’ Tomahawk missile firing ability from 12 to 40 by adding an additional 28 payload tubes – more than tripling the offensive strike capability of the platforms.
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    Post  AlfaT8 on Sat Sep 03, 2016 7:25 pm

    US Developing 'Quietest and Least-Detectable Sub' in the World

    The United States is developing "the quietest and least-detectable submarine in the history of the world," Kris Osborn wrote for Scout Warrior, citing senior service officials. The first Columbia-class sub to be produced under the Ohio Replacement Program is expected to enter service in 2031.

    http://sputniknews.com/military/20160903/1044931786/us-quiet-submarine.html

    Of course it's the quietest since it won't enter the water till 2031.
    magnumcromagnon
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    Post  magnumcromagnon on Sat Sep 03, 2016 7:30 pm

    AlfaT8 wrote:
    US Developing 'Quietest and Least-Detectable Sub' in the World

    The United States is developing "the quietest and least-detectable submarine in the history of the world," Kris Osborn wrote for Scout Warrior, citing senior service officials. The first Columbia-class sub to be produced under the Ohio Replacement Program is expected to enter service in 2031.

    http://sputniknews.com/military/20160903/1044931786/us-quiet-submarine.html

    Of course it's the quietest since it won't enter the water till 2031.

    ...It'll go 15 years without anyone knowing about it's existence... lol1
    kvs
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    Post  kvs on Sun Sep 04, 2016 12:34 am

    magnumcromagnon wrote:
    AlfaT8 wrote:
    US Developing 'Quietest and Least-Detectable Sub' in the World

    The United States is developing "the quietest and least-detectable submarine in the history of the world," Kris Osborn wrote for Scout Warrior, citing senior service officials. The first Columbia-class sub to be produced under the Ohio Replacement Program is expected to enter service in 2031.

    http://sputniknews.com/military/20160903/1044931786/us-quiet-submarine.html

    Of course it's the quietest since it won't enter the water till 2031.

    ...It'll go 15 years without anyone knowing about it's existence... lol1

    These jokes are serious when it comes to such chest thumping BS from Uncle Scam. These media propaganda mouthpieces make it sound like submarine
    noise levels can be engineered arbitrarily low. This is pure uneducated drivel. We are in the era of diminishing returns (aka on the asymptote) for given size
    of nuclear submarine. The hull will vibrate just from interaction with the ocean gyres and waves (subsurface, they do exist just like in the atmosphere).
    Anything with a propeller requires shafts and gears which cannot be willy nilly made quieter than the "enemy".

    The noise level of Soviet submarines has always been exaggerated by Uncle Scam and his NATO minions. At the same time the quietness of US submarines
    has been hyped beyond reason as we have seen on this board where people have posted dB numbers that would make US submarines quieter than the
    ocean background noise (i.e. a claim retarded to the nth degree). There is a reason for building subsea detection nets and it ain't the "excessive noise" level
    of Russian submarines.
    magnumcromagnon
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    Post  magnumcromagnon on Sun Sep 04, 2016 3:07 am

    kvs wrote:
    magnumcromagnon wrote:
    AlfaT8 wrote:
    US Developing 'Quietest and Least-Detectable Sub' in the World

    The United States is developing "the quietest and least-detectable submarine in the history of the world," Kris Osborn wrote for Scout Warrior, citing senior service officials. The first Columbia-class sub to be produced under the Ohio Replacement Program is expected to enter service in 2031.

    http://sputniknews.com/military/20160903/1044931786/us-quiet-submarine.html

    Of course it's the quietest since it won't enter the water till 2031.

    ...It'll go 15 years without anyone knowing about it's existence... lol1

    These jokes are serious when it comes to such chest thumping BS from Uncle Scam.   These media propaganda mouthpieces make it sound like submarine
    noise levels can be engineered arbitrarily low.   This is pure uneducated drivel.  We are in the era of diminishing returns (aka on the asymptote) for given size
    of nuclear submarine.    The hull will vibrate just from interaction with the ocean gyres and waves (subsurface, they do exist just like in the atmosphere).  
    Anything with a propeller requires shafts and gears which cannot be willy nilly made quieter than the "enemy".  

    The noise level of Soviet submarines has always been exaggerated by Uncle Scam and his NATO minions.   At the same time the quietness of US submarines
    has been hyped beyond reason as we have seen on this board where people have posted dB numbers that would make US submarines quieter than the
    ocean background noise (i.e. a claim retarded to the nth degree).   There is a reason for building subsea detection nets and it ain't the "excessive noise" level
    of Russian submarines.

    If they're actually serious about reducing noise levels, then the obvious solution would be to build dramatically much smaller. So instead of 20 SLBM's per sub, 2-4 SLBM's per sub means you can build much smaller, cheaper, you can cover a much larger area of the oceans.
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    Post  George1 on Thu Jan 19, 2017 2:48 pm

    US Navy Missile Submarine Gets Go-Ahead

    WASHINGTON -- The program to build a new class of nuclear-powered ballistic missile submarines for the US Navy passed a major procedural hurdle Jan. 4, the US Navy announced Monday, allowing engineers and designers to move to the detail design portion of the effort.

    The Milestone B approval was granted by Pentagon acquisition chief Frank Kendall for the Columbia-class program, previously known as the Ohio Class Replacement (ORP) and as SSBN(X).

    The US plans to design and build 12 Columbia-class submarines for a total acquisition cost of $100 billion – as measured in 2017 dollars – or $128 billion, as measured in total year dollars through the program, which stretches into the mid-2030s.

    In a statement, Columbia program director Capt. David Goggins declared “the Navy is committed to delivering Columbia on time and within budget while taking advantage of every opportunity to achieve further cost savings.”

    The official tally for the acquisition cost has been baselined at $100 billion, pegged to the year of the Milestone B review.

    With that approval, the Columbia class moves to the engineering and manufacturing development (EMD) phase of the program. The first ship is scheduled to be ordered in 2021.

    “Milestone B enables the program to move into the Engineering and Manufacturing Development phase where we will focus our attention on achieving an 83 percent design maturity prior to construction start in 2021,” Goggins said in the statement, adding that the next phase will be a production readiness review.

    General Dynamics Electric Boat is the Columbia program’s prime contractor. The shipbuilder, with shipyards at Quonset Point, Rhode Island and Groton, Connecticut, is expected to grow its workforce from 14,000 to 18,000 employees to build the Columbias while continuing to build Virginia-class attack submarines.

    Huntington Ingalls Industries Newport News Shipbuilding, GD’s 50-50 partner in building the Virginia class, will built roughly a third of each Columbia.

    The Columbia’s name was officially announced Dec. 14 and will carry hull designation SSBN 826. Follow-on ships of the class will be designated SSBN 827 through 837.

    US ballistic missile submarines carry the Trident D5 weapon with nuclear warheads. The Lockheed Martin-built missile will also arm Britain’s new Successor-class submarines, now known as the Dreadnought-class after the name of the first ship.

    The Navy expects the Columbia to carry out its first deterrent patrol during fiscal 2031.

    http://www.defensenews.com/articles/us-navy-missile-submarine-gets-go-ahead
    Odin of Ossetia
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    Post  Odin of Ossetia on Thu Oct 26, 2017 6:12 pm




    U.S. Navy to Have "Most Advanced" Submarine


    https://www.msn.com/en-ca/news/world/us-launches-most-advanced-stealth-sub/ar-AAu5bPO?li=AAggFp5&ocid=SKY2DHP
    GarryB
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    Post  GarryB on Thu Oct 26, 2017 11:41 pm

    HAhahahaa... hilarious.... so it says that Russian subs are 80% of what US subs were 30 years ago during the cold war...

    The big upgrade for the new virginia class sub is an extra vertical launch tube bin with 6 extra missiles over the standard two bins with 12 missiles.

    So these super american subs will carry 18 subsonic cruise missiles and that will make them so sophisticated and powerful.

    Yasen class Russian subs carry 32 tubes for either long range subsonic cruise missiles or supersonic rocket powered anti sub missiles, or supersonic anti ship missiles.

    They talk about 2020-2025... by then the Russian subs will be carrying Mach 8 hypersonic Zircon anti ship missiles... perhaps that will make them 50% of US subs from WWII maybe.

    What a load of crap.
    Isos
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    Post  Isos on Fri Oct 27, 2017 9:21 am

    Actually, they said russians are 80% of what they (russians and not US) were during cold war. And they are wright because compared to the more than 300 subs that soviet navy had, russia is not as much powerfull as the soviet navy even if in terms of technology they are better than in the 80s.

    The smaller number of vessels means less time in the sea to control other nations.

    It is like the strategic patrol that resumed in 2007 because they couldn t sustain the effort before that.

    But if they do what they say they will do, get gorshkovs and more SSN, that will change.
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    Post  GarryB on Sun Oct 29, 2017 7:07 am

    If that is what they were trying to say then they are still wrong.

    During the cold war the at sea rate of the Soviet sub force was tiny.... less than 25%.

    Now they have far fewer subs but they are vastly more active...

    And one presumes as their numbers increase their activities will also increase too.
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    Post  Isos on Sun Oct 29, 2017 8:35 am

    GarryB wrote:If that is what they were trying to say then they are still wrong.

    During the cold war the at sea rate of the Soviet sub force was tiny.... less than 25%.

    Now they have far fewer subs but they are vastly more active...

    And one presumes as their numbers increase their activities will also increase too.

    Yeah they are more active but 25% of more than 300 subs is huge and they had much more big ships that were sailing around the world.

    But the goals were not the same. Russia doesn't need to defend communist government around the world, just defend their interst and borders so it's a pointless discussion to compare them.
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    Post  JohninMK on Mon Jan 21, 2019 8:25 pm

    Some of you will enjoy this.


    Saturnax
    ‏ @Saturnax1
    13m13 minutes ago

    #USNavy #Submarines Just came across a publicly available Case Study paper describing polymer extrusion fabrication for USS Seawolf (SSN-21). Amazingly, it includes two quite detailed images of Seawolf's active & passive sonar array during construction: http://www.bmgindia.com/files/Ears%20hearing%20under%20water.pdf …

    US Nuclear Submarine Force - Page 2 DxdQJ68WkAIXVVaUS Nuclear Submarine Force - Page 2 Dxdqj610
    kvs
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    Post  kvs on Wed Aug 28, 2019 4:37 am



    The Columbia class submarines that cost about $6 billion each are experiencing welding issues. That is really a massive fail for the US.

    BTW, this is a generic problem in North America. Various governments kill off funding for research projects resulting in the dissolution
    of the researchers into retirement and private sector or other research areas. The idiots who control the purse strings think that
    these defunded projects can be restarted with the press of a button. That's not what happens in real life and we see this in the
    failing skill levels of the workers that were gathered to build the new generation of US submarines. There was no continuity in the
    workforce training since all the skilled welders were dumped decades ago and never mentored the new generation.

    Isos
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    Post  Isos on Wed Oct 09, 2019 7:06 pm

    https://www.washingtonpost.com/business/2019/10/08/whistleblower-says-navy-shipbuilders-ignored-nuclear-submarine-testing-procedures-years/


    US Virginia class subs loose their hull coating because shipbuilder used untrained workers and bad stuff. Their stealth is questionable.

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    GarryB
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    Post  GarryB on Thu Oct 10, 2019 1:56 am

    But that is OK because the Russian sub fleet are only 10% of what they were during the cold war, so even without the sound reducing coating those american subs will be amazing right?

    Embarrassing to the US, so I guess this is a bad whistleblower... unless it is all Trumps fault...

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