HMS Dreadnought (Dreadnought-class submarine)

History
United Kingdom
Name	HMS Dreadnought
Builder	BAE Systems, Barrow-in-Furness, England
Laid down	6 October 2016
General characteristics
Class and type	Dreadnought-class submarine
Displacement	17,200 t (16,900 long tons; 19,000 short tons)
Length	153.6 metres (504 ft)
Beam	12.8 m (42 ft 0 in)
Draught	12 m (39 ft 4 in)
Propulsion	Rolls-Royce PWR3 nuclear reactor, turbo-electric drive, pump-jet
Speed	20 knots (37 km/h; 23 mph) surfaced; 28 knots (52 km/h; 32 mph) submerged
Complement	130
Armament	4 × 21 inch (533 mm) torpedo tubes for: Spearfish heavyweight torpedoes; 12 × ballistic missile tubes for:; 8 to 12 Lockheed Trident II D5 SLBMs (carrying up to 8 warheads each);

HMS Dreadnought is a Royal Navy nuclear-powered Trident ballistic missile-armed submarine that is currently under construction. The lead boat of her class, she is being built in Barrow-in-Furness. On completion she will become the UK's largest ever submarine.

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