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Navy Trident Submarine Conversion (SSGN) Program: Background and Issues for Congress.


ADA488697

Publication Date 2008
Personal Author O'Rourke, R.
Page Count 7
Abstract The Navy procured 18 Ohio (SSBN-726) class nuclear-powered ballistic missile submarines (SSBNs) between FY1974 and FY1991 to serve as part of the U.S. strategic nuclear deterrent force. They are commonly called Trident submarines because they carry Trident submarine-launched ballistic missiles (SLBMs). The first Trident entered service in 1981, the 18th in 1997. The first 8 (SSBNs 726 through 733) were originally armed with Trident I (C4) SLBMs; the final 10 (SSBNs 734 through 743) were armed with larger and more powerful Trident II (D5) SLBMs. The boats were originally designed for a 30-year life but were later certified for a 42-year life, composed of 20 years of operation, a two-year mid-life nuclear refueling overhaul, and then another 20 years of operation. The FY2006 budget completed the funding required in the Shipbuilding and Conversion, Navy (SCN) account for the Navy's program to refuel and convert four Trident ballistic missile submarines (SSBNs) into cruise-missile-carrying and special operations forces (SOF) support submarines (SSGNs). Initial Operational Capability (IOC) for the program was declared on November 1, 2007. The total estimated cost of the program is about $4.0 billion. This report will be updated as events warrant.
Keywords
  • Ballistic missile submarines
  • Special operations forces
  • Refueling
  • Cost estimates
  • Conversion
  • Cruise missiles
  • Shipbuilding
  • Legislation
  • Transformations
  • Launch tubes
  • Military modernization
  • Naval budgets
  • Missions
  • Scheduling
  • Navy
  • Payload
  • Ssbn class vessels
  • Ssgn class vessels
  • Ssbn(Ballistic missile submarines)
  • Ssgn(Guided missile submarines)
  • Trident submarines
  • Tomahawk cruise missiles
  • Ero(Engineering refueling overhaul)
  • Ssgn(Nuclear-powered cruise missile submarines)
Source Agency
  • Non Paid ADAS
Corporate Authors Congressional Research Service, Washington, DC.
Supplemental Notes CRS Report for Congress.
Document Type Technical Report
Title Note Congressional rept.
NTIS Issue Number 200905
Navy Trident Submarine Conversion (SSGN) Program: Background and Issues for Congress.
Navy Trident Submarine Conversion (SSGN) Program: Background and Issues for Congress.
ADA488697

  • Ballistic missile submarines
  • Special operations forces
  • Refueling
  • Cost estimates
  • Conversion
  • Cruise missiles
  • Shipbuilding
  • Legislation
  • Transformations
  • Launch tubes
  • Military modernization
  • Naval budgets
  • Missions
  • Scheduling
  • Navy
  • Payload
  • Ssbn class vessels
  • Ssgn class vessels
  • Ssbn(Ballistic missile submarines)
  • Ssgn(Guided missile submarines)
  • Trident submarines
  • Tomahawk cruise missiles
  • Ero(Engineering refueling overhaul)
  • Ssgn(Nuclear-powered cruise missile submarines)
  • Non Paid ADAS
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