SİSTEM GENEL BAKIŞI
Next-generation nuclear-powered ballistic missile submarine (SSBN) that will replace the Vanguard class as the United Kingdom's continuous at-sea nuclear deterrent (CASD). Displacement of approximately 17,200 tonnes submerged, making them the largest submarines ever built for the Royal Navy. Will carry 12 Trident II D5 submarine-launched ballistic missiles (reduced from 16 on Vanguard class). Features the Rolls-Royce PWR3 reactor with a life-of-boat core. Four boats planned with HMS Dreadnought expected to enter service in the early 2030s. Represents the UK's most expensive single defence procurement programme.
OPERATÖRLER (1)
ÜRETİCİ
BAE Systems
TAM BOYUTU GÖRÜNTÜLE
Dreadnought Class - BAE Systems
AVANTAJLAR
- Maintains UK continuous at-sea nuclear deterrent (CASD)
- New PWR3 reactor designed for entire 30+ year service life without refueling
- Common Missile Compartment shared with US Columbia class reduces development cost
- Step-change in acoustic stealth over Vanguard class
DEZAVANTAJLAR
- Enormous cost (~£31 billion+); consumes significant share of UK defense budget
- 12 missile tubes (down from 16 in Vanguard) reduces missile loadout
- Any construction delay directly impacts nuclear deterrent continuity
- Competes with Astute for Barrow shipyard capacity
TEKNİK ÖZELLİKLER
COST~£31 Billion+
CREW~130
TYPENuclear-Powered Ballistic Missile Submarine (SSBN)
LENGTH153 M
PLANNED4 Boats
REACTORRolls-Royce PWR3 (Lifetime Core, No Refueling)
ARMAMENT12x Trident II D5 SLBM Tubes; Torpedo Tubes
DISPLACEMENT~17,200 Tonnes (Submerged)
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