US Navy decommissioned USS Pittsburgh (SSN-720) Los Angeles submarines

US Navy decommissioned USS Pittsburgh (SSN-720) Los Angeles submarines

The US Navy decommissioned the USS Pittsburgh (SSN-720) Los Angeles-class nuclear submarine. Farewell ceremony with the submarine was held at the Museum of the Underwater fleet USA in Capeport, Washington. It is reported by Defense Blog.


According to the command of the U.S. Navy, the state flag was lowered on the submarine, they officially stopped duty and turned off the submarine. Then the nuclear submarine will be transferred to the Puget Sound shipyard for the dismantling of classified equipment, weapons and a reactor.

The USS "Pittsburgh" multipurpose nuclear submarine (SSN-720) is the 33 in the series of 62 Los Angeles-class submarines built for the US Navy. Introduced into the US Navy 23 November 1985 of the year. Home Port Naval Base Groton.

Displacement above sea level 5895 tons, underwater 6292 tons. 110,3 meter length, 10 meter width, 9,4 meter draft. The speed above the 20 nodes, the official submarine more than 20 nodes. Operating depth from 250 to 280 meters. Extreme depth of immersion 450 meters. Crew 12 officers, 98 sailors.

Powerplant: S6G nuclear reactor. Armament: 4 × 21 in (533 mm) torpedo tubes; Tomahawk 12 missiles in vertical launch mines.

In September 2018, a submarine leaked water in the reactor compartment, which led to the forced return of the submarine to the home port at the Groton Naval Base (Connecticut) to fix the "malfunction". A leak was located near the valve of a nuclear power plant and was discovered during a routine check.
Photos used:
http://www.korabli.eu/
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  1. Igor Borisov_2 23 January 2020 17: 55 New
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    on the submarine they lowered the state flag, officially stopped watch keeping and de-energized the submarine

    It’s not entirely clear that no one is following the reactor? And how could it be completely de-energized?
    1. dvina71 23 January 2020 18: 22 New
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      Quote: Igor Borisov_2
      And how could it be completely de-energized?

      As usual .. the cable from the shore was chopped off ..
    2. K-612-O 23 January 2020 18: 28 New
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      From external power supply, from the pier. Most likely, the reactor was shut off after the accident.
      Although it is muffled by anyone before decommissioning.
  2. Thrifty 23 January 2020 17: 55 New
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    It seems not old! Do not want to repair and deactivate, after a nuclear leak on board?
    1. TermNachTer 23 January 2020 19: 29 New
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      Hrenasenki - not old. 35 year olds, how many patrols? Again, it is not known how serious the accident was. Perhaps the repair just did not make sense.
  3. FORCE 38GB 23 January 2020 17: 56 New
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    She served her .. And went to rest. It's quite normal. 35 years of nuclear submarine ... We would also have time for some to retire .. And not only the nuclear submarines, but also the SSBN .. The same squid with dolphins .. If only the Ash-trees with the Boreas could keep up with their plans. .
  4. Kastorkin 23 January 2020 17: 56 New
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    Minus one .. A trifle, but nice hi
  5. Old26 23 January 2020 18: 07 New
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    Quote: Kastorkin
    Minus one .. A trifle, but nice hi

    Yeah. If "minus one" - maybe it would be nice. Here are just a replacement for the flag removed on April 4 at the "Dover" (SSN-791), and on April 18 at the "Vermont" (SSN-792)
    "Minus" one "plus" two - will give "plus" one
    1. Sky strike fighter 23 January 2020 18: 57 New
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      "Minus" one "plus" two - will give "plus" one

      This is not about the current submarine fleet of the U.S. Navy. Yes, and in general, who is good now in this regard? China has gained a good tempo, but this is true only for surface ships, the same destroyers.
      The Russian fleet includes 62 submarines of all classes, including 10 atomic submarines with ballistic missiles, 9 atomic submarines with cruise missiles, as well as 14 nuclear and 22 conventional attack submarines.

      However, many of them were produced in the 1980-1990s. According to experts, the operation of submarines older than 35 years is inefficient and unsafe.

      “If Moscow succeeds in producing all the Boreas and Ash trees that it plans, the total submarine fleet can reach only 28 boats. Half of its current strength, ”the article says.




      Axx points out that the Americans produced a large number of submarines during the Cold War, but the current construction cannot satisfy the modern needs of the fleet.

      “In December 2016, the U.S. Navy announced that they needed 66 submarines with strike and cruise missiles. But at the beginning of 2019, the fleet had only 51 strike ships. And this number is predicted to decrease, ”the expert writes.

      According to him, dozens of Los Angeles-class submarines will be decommissioned in the next few years, and too few new Virginia-class submarines will be produced.

      https://iz.ru/966995/2020-01-22/national-interest-sravnil-podvodnye-sily-rossii-i-ssha
    2. TermNachTer 23 January 2020 20: 03 New
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      Raising the flag is not an option for military patrols. More than one month will pass.
  6. Victor March 47 23 January 2020 18: 35 New
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    Quote: Igor Borisov_2
    on the submarine they lowered the state flag, officially stopped watch keeping and de-energized the submarine

    It’s not entirely clear that no one is following the reactor? And how could it be completely de-energized?

    They removed the watch, and will remove the secret equipment THEN. To go, or to twist something thread there? Who's gouging, scribble or warriors?
  7. rocket757 23 January 2020 18: 50 New
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    Any ships finish their service journey.
    Rest in peace. Better so than to disappear, having fulfilled your destiny.
  8. Kerensky 23 January 2020 19: 10 New
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    Our neighbors have already asked her for free? Who is monitoring Ukrainian resources? This is not an inflatable, but the real one! Weld with solid rails to the pier - so there will be no price!
  9. Old26 23 January 2020 20: 11 New
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    Quote: TermNachTER
    Raising the flag is not an option for military patrols. More than one month will pass.

    This is not about going out on combat patrols, but about getting into operation. Therefore, he wrote that "MINUS ONE - PLUS TWO"
  10. svoit 23 January 2020 20: 26 New
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    You can soon wait for her in the Black Sea under the name "Getman Mazepa" for example ....
  11. Old26 23 January 2020 20: 32 New
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    Quote: svoit
    You can soon wait for her in the Black Sea under the name "Getman Mazepa" for example ....

    But nothing that the Black Sea is a nuclear-free zone. And that during the Olympics, even our "Peter the Great" could not enter the World Cup to ensure the Olympics?
  12. ananias mudishev 23 January 2020 22: 29 New
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    Let them give ukra
  13. Old26 23 January 2020 22: 58 New
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    Quote: Ananias Mudishev
    Let them give ukra

    And my post before yours is already too lazy to read?
  14. Neutron Retarded 24 January 2020 05: 51 New
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    Quote: Igor Borisov_2
    It’s not entirely clear that no one is following the reactor? And how could it be completely de-energized?

    The power cables from the CPS drives are disconnected, all of them, i.e. absorbers are located at the bottom of the core. The reactor is reliably plugged and damped, i.e. the temperature of circuit 1 does not even require periodic start-up of pumps for residual heat. The high-pressure gas, high-pressure gas (nitrogen) is unloaded and disconnected from the compensators volume. Keep pressure of approx. 200 kg in 1 circuit is no longer necessary. Helium is etched from the covers of the rods of the AR. For longer storage, while waiting for the queue to unload the fuel and completely eliminate the terrorist attack, the CPS drives can be completely dismantled, and their heads are scalded. Secret documentation is being handed over, a lock is hung on the power unit and the operators with the Kipovites leave to smoke bamboo.
    1. VALERIK_097 25 January 2020 18: 56 New
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      CPS drives can be completely dismantled, and their heads are scalded. Ill, not.
  15. lvov_aleksey 25 January 2020 22: 07 New
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    less trash in the sea-ocean, but I don’t believe in conservation, it’s expensive to store ...