HMS Vanguard (S28)

	HMS Vanguard at Faslane
History
United Kingdom
Name	HMS Vanguard
Ordered	30 May 1986
Builder	Vickers Shipbuilding and Engineering Ltd, Barrow-in-Furness
Laid down	3 September 1986
Launched	4 March 1992
Sponsored by	Diana, Princess of Wales
Commissioned	14 August 1993
Homeport	HMNB Clyde, Argyll, Scotland
Status	In active service
Badge
General characteristics
Class and type	Vanguard-class submarine
Displacement	15,900 tonnes, submerged
Length	149.9 m (491 ft 10 in)
Beam	12.8 m (42 ft 0 in)
Draught	12 m (39 ft 4 in)
Propulsion	1 × Rolls-Royce PWR2 nuclear reactor,; 2 × GEC turbines; 27,500 shp (20.5 MW); 1 × shaft, pump jet propulsor; 2 × auxiliary retractable propulsion motors; 2 × Allen turbo generators (6 MW); 2 × Paxman diesel alternators; 2,700 shp (2.0 MW);
Speed	In excess of 25 knots (46 km/h; 29 mph), submerged
Range	Only limited by food and maintenance requirements.
Complement	135
Sensors and ; processing systems	BAE Systems SMCS; Kelvin Hughes Type 1007 I-band navigation radar; Thales Underwater Systems Type 2054 composite sonar suite comprising: ; Marconi/Ferranti Type 2046 towed array sonar ; Type 2043 hull-mounted active and passive search sonar ; Type 2082 passive intercept and ranging sonar; Pilkington Optronics CK51 search periscope; Pilkington Optronics CH91 attack periscope;
Electronic warfare ; & decoys	Two SSE Mk10 launchers for Type 2066 and Type 2071 torpedo decoys; RESM Racal UAP passive intercept;
Armament	4 × 21 inch (533 mm) torpedo tubes for:; Spearfish heavyweight torpedoes; 16 ballistic missile tubes for:; 16 × Lockheed Trident II D5 SLBMs (carrying up to 48 nuclear warheads);

The eleventh HMS Vanguard of the Royal Navy is the lead boat of her class of Trident ballistic missile-armed submarines. The submarine is based at Faslane, HMNB Clyde, Argyll, Scotland.

Vanguard was built at Barrow-in-Furness by Vickers Shipbuilding and Engineering Ltd, later BAE Systems Submarine Solutions, was launched on 4 March 1992, and commissioned on 14 August 1993 in the presence of Diana, Princess of Wales.

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