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SSN 688I  
Initial Operational Capability (IOC): 6 August 1988
Total Production: 23
Unitary Cost: USD$900 million
Also Known As: SSN 751 USS San Juan
Origin: United States of America
Corporations: General Dynamics and Northrop Grumman
Parent System: SSN 688 Los Angeles
Initial Operational Capability (IOC): 1976
Total Production: 62
Total Cost: USD$56 billion
Family Members: SSN 688 (VLS) and SSN 688 Los Angeles
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Description: The SSN 688 Los Angeles-class attack submarines were designed to provide escort for carrier strike groups and hunter-killer capability against soviet ballistic submarines. The end of the Cold War has involved the nuclear attack submarines to counter Third World countries non-nuclear submarines that eventually could threaten sea line of communications.
In addition to the attack and escort role, the Los Angeles-class submarines can assume intelligence collection, special forces delivery, and land-attack missions.
The Improved Los Angeles-class submarines, starting with SSN 751, are quieter, incorporate a new sonar combat suite, and their diving planes have moved from the sail to the bow. The sail in these submarines has been strengthened for breaking through ice. Improved Los Angeles-class submarines are specially suitable for under-ice operation.

SSN 688I Specifications

Crew: 134
Torpedo Tubes: 4
Beam: 10.1 meter
Length: 110 meter
Max Operating Depth: 450 meter
Power: 35,000 shp (26.1 MW)
Top Speed Submerged: 15.4 mps (30 knot)
Service Life: 30 year
Displacement Submerged: 7,150 ton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

SSN 688I News

There are 5 news between
7 Dec 2006 and 6 Mar 2015
Friday, March 6, 2015French Submarine Saphir Virtually Sinks US Aircraft Carrier Group during Drills
Tuesday, September 9, 2014Tactical Tomahawk Enhancements Showcased in Back-to-Back Flight Tests
Tuesday, June 21, 2011US Navy Selects Lockheed Martin to Provide Submarine Sonar Technology Upgrade
Friday, May 14, 2010Tactical Tomahawk Tested Launched from 5,000 Miles Away by the US Navy's 7th Fleet
Thursday, December 7, 2006US Navy Awards TB-34 Initial Production Contract

Operators & Related Equipment

United States of America23
Mar 201422
Oct 201322

Grand Total 231
Anti-Ship Missiles
UGM-84D Harpoon
Land Attack Cruise Missiles
Tactical Tomahawkx12
Tomahawk Block IIx12
Tomahawk Block IIIx12
Submarine Sensors
Submarine Warfare Systems
Mark 48 ADCAP
Underwater Vehicles

SSN 688I Ship Listing

SerialNameStatusLaunch DateCommissionDecommission
SSN 751 USS San Juan-6 Aug 1988-
SSN 752 USS Pasadena-11 Feb 1989-
SSN 753 USS Albany-7 Apr 1990-
SSN 754 USS Topeka-21 Oct 1989-
SSN 755 USS Miami-30 Jul 199028 Mar 2014
SSN 756 USS Scranton-26 Jan 1991-
SSN 757 USS Alexandria-29 Jun 1991-
SSN 758 USS Asheville-28 Sep 1991-
SSN 759 USS Jefferson City-29 Feb 1992-
SSN 760 USS Annapolis-11 Apr 1992-
SSN 761 USS Springfield-9 Jan 1993-
SSN 762 USS Columbus-24 Jul 1993-
SSN 763 USS Santa Fe-8 Jan 1993-
SSN 764 USS Boise-7 Nov 1992-
SSN 765 USS Montpelier-13 Mar 1993-
SSN 766 USS Charlotte-16 Sep 1994-
SSN 767 USS Hampton-6 Nov 1993-
SSN 768 USS Hartford-10 Dec 1994-
SSN 769 USS Toledo-24 Feb 1995-
SSN 770 USS Tucson-18 Aug 1995-
SSN 771 USS Columbia-9 Oct 1995-
SSN 772 USS Greenville-16 Feb 1996-
SSN 773 USS Cheyenne-13 Sep 1996-

SSN 688I Links & Resources

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