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British Sub Returns to Base After Overhaul

A British ballistic missile submarine has sailed back to its home port at Faslane in Scotland following a nearly four-year refurbishment program, the Press Association reported on Tuesday (see GSN, March 26).

During work at the Plymouth shipyard, the Vanguard-class HMS Vigilant received a new atomic reactor core and enhanced armaments.

Refurbishment activities began in fall 2008 and included ocean testing and other assessments since November 2010. Last week, the submarine was formally returned to the Royal Navy for deterrence patrols.

The Vigilant is one of a four ballistic missile submarine fleet that together comprise the British nuclear deterrent. The vessels are outfitted with Trident missiles loaded with nuclear warheads (Cordelia O'Neill, Press Association, June 26).

NTI Analysis

  • Submarine Proliferation Resource Collection

    Oct. 21, 2013

    The submarine proliferation resource collection is designed to highlight global trends in the sale and acquisition of diesel- and nuclear-powered submarines. It is structured on a country-by-country basis, with each country profile consisting of information on capabilities, imports and exports.

  • Australia Submarine Import and Export Behavior

    July 16, 2013

    The submarine proliferation resource collection is designed to highlight global trends in the sale and acquisition of diesel- and nuclear-powered submarines. It is structured on a country-by-country basis, with each country profile consisting of information on capabilities, imports and exports.

Country Profile

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United Kingdom

This article provides an overview of the United Kingdom’s historical and current policies relating to nuclear, chemical, biological and missile proliferation.

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