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Day & Night Trident II D5 Nuclear Missile test launch
- Published_at:2011-12-21
- Category:Science & Technology
- Channel:Kevin S
- tags:
- description: Trident II D5 is a submarine-launched ballistic missile system that constitutes the UK's nuclear deterrent. Developed and manufactured by Lockheed Martin in the United States, Trident entered service with the Royal Navy in 1994, 14 years after it was selected as the replacement for the submarine-launched Polaris missile. KEY TRIDENT FACTS Length: 44ft (13m) Weight: 130,000lb (58,500kg) Diameter: 83 inches (2.1m) Range: 7,500 miles (12,000km) Power plant: Three stage solid propellant rocket Cost: £16.8m ($29.1m) per missile Each Trident missile has a range of up to 7,500 miles (12,000km) and is accurate to within a few feet. Their destructive power is estimated as the equivalent of eight Hiroshimas. The UK deploys 16 Trident missiles on each of its four Vanguard-class submarines, of which one is on patrol at all times. The fleet is based at Faslane in Scotland. A further 70 missiles can be accessed from a communal pool at the Strategic Weapons facility in Georgia in the United States, where the missiles are also periodically serviced. Each Trident missile is designed to carry up to 12 nuclear warheads, but the Royal Navy's are armed with three after the 1998 Strategic Defence Review imposed a limit of 48 per submarine.
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