USS Guitarro (SSN-665)
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|Namesake:||The guitarro, a ray of the guitarfish family|
|Ordered:||18 December 1964|
|Builder:||Mare Island Naval Shipyard, Vallejo, California|
|Laid down:||9 December 1965|
|Launched:||27 July 1968|
|Sponsored by:||Mrs. John M. Taylor|
|Commissioned:||9 September 1972|
|Decommissioned:||29 May 1992|
|Struck:||29 May 1992|
|Nickname(s):||"Mare Island Mud Puppy"|
|Fate:||Scrapping via Ship and Submarine Recycling Program completed 18 October 1994|
|Class and type:||Sturgeon-class submarine|
|Length:||292 ft 3 in (89.08 m)|
|Beam:||31 ft 8 in (9.65 m)|
|Draft:||28 ft 8 in (8.74 m)|
|Installed power:||15,000 shaft horsepower (11.2 megawatts)|
|Propulsion:||One S5W nuclear reactor, two steam turbines, one screw|
|Test depth:||1,300 feet (396 meters)|
|Armament:||4 × 21-inch (533 mm) torpedo tubes|
Construction and commissioning
Keel-laying and launching
The contract to build Guitarro was awarded to Mare Island Naval Shipyard at Vallejo, California, on 18 December 1964 and her keel was laid down there on 9 December 1965. She was launched on 27 July 1968, sponsored by Mrs. John M. Taylor.
On 15 May 1969, Guitarro was moored in the Napa River at Mare Island Naval Shipyard while construction was still underway. At about 16:00, a civilian nuclear construction group began an instrument calibration assignment which required the filling of certain tanks, located aft of the ship's pivot point, with approximately five tons of water. Within 30 minutes, a different, non-nuclear civilian construction group began an assignment to bring Guitarro within a half-degree of trim; this entailed the adding of water to tanks forward of the ship's pivot point to overcome a reported two-degree up-bow attitude. Until shortly before 20:00, both groups continued to add water, unaware of each other's activities.
Twice between 16:30 and 20:00, a security watch advised the non-nuclear group that Guitarro was riding so low forward that the 1.5-foot-high (0.46 m) wakes of boats operating in the Napa River were sloshing into an uncovered manhole in the most forward and lowest portion of the ship's deck; these warnings went unheeded. At 19:45, the non-nuclear group stopped adding water to the ballast tanks and began to halt work for their meal break, leaving at 20:00. At 19:50, the nuclear group completed their calibrations and began to empty the tanks aft.
At 20:30, both the nuclear group, still aboard, and the non-nuclear group, returning from their break, noticed Guitarro taking a sudden down angle which put the forward hatches underwater. Massive flooding took place through several large open hatches. Efforts between 20:30 and 20:45 to close watertight doors and hatches were largely unsuccessful because lines and cables ran through the doors and hatches, preventing them from closing. At 20:55, Guitarro sank  earning her the nickname "Mare Island Mud Puppy".
Guitarro was refloated three days later, on 18 May 1969. Damages to her were estimated at $15.2 to $21.85 million (equivalent to $81 to $117 million in 2018).
Guitarro had been scheduled to be commissioned in January 1970, but repairs necessitated by her sinking dictated a 32-month delay. She finally was commissioned on 9 September 1972 with Commander Gordon Lange in command.
This section needs expansion with: history from 1972 to the mid-to-late 1970s. You can help by adding to it. (January 2010)
In the mid-to-late 1970s, Guitarro was stationed at Point Loma in San Diego, California, commanded by Alvin H. Pauole, followed by Scott Van Hoften. She was active at the time in the pre-operational testing of the new Tomahawk cruise missile, launching several of the missiles on a test range off the coast of Southern California.
This section needs expansion with: history from the mid-to-late 1970s to 1990. You can help by adding to it. (January 2010)
Guitarro (SSN-665) at NAS North Island on 4 October 1990 for a VIP visit. General Mikhail Moiseyev, First Deputy Minister of Defense and Chief of the General Staff for the Soviet Union and General Colin Powell, Chairman of the Joint Chiefs of Staff, toured the forward areas of the ship that day, but did not tour the engineering spaces. Just aft of the Guitarro (SSN-665) is the Missouri BB-63.
This section needs expansion with: history from 1990 to 1992. You can help by adding to it. (January 2015)
Decommissioning and disposal
Guitarro was decommissioned on 29 May 1992 and stricken from the Naval Vessel Register the same day. Her scrapping via the Nuclear-Powered Ship and Submarine Recycling Program at Puget Sound Naval Shipyard in Bremerton, Washington, was completed on 18 October 1994.
- This article includes information collected from the Naval Vessel Register, which, as a U.S. government publication, is in the public domain. The entry can be found here.
- NavSource Online: Submarine Photo Archive Guitarro (SSN-665) Keel Laying - Launching
- NavSource Online: Submarine Photo Archive Guitarro (SSN-665) Sinking & Commissioning
- NavSource Online: Submarine Photo Archive Guitarro (SSN-665) Active Service - Decommissioning
- Sinking of the U.S.S. Guitarro (SSN 665) :hearings before the United States House Committee on Armed Services, Armed Services Investigating Subcommittee, Ninety-First Congress, first session, on May 26-28, 1969. Mare Island, Vallego, California: US Congress. 26 May 1969. p. 254.
|Wikimedia Commons has media related to USS Guitarro (SSN-665).|
- Letter to L. Mendel Rivers, Chairman, Committee on Armed Services from Samuel S. Stratton, Chairman, Special Subcommittee To Investigate the Sinking of the U.S.S. Guitarro.