Seven of Britain’s decommissioned nuclear submarines have been in storage for longer than they were in service because the Ministry of Defence is unable to dispose of them. Our Vanguard Class submarines provide the UK's independent strategic nuclear deterrent. Trident replaced the submarine-based Polaris system, in operation from 1968 until 1996. Communities living near the UK's nuclear submarine storage sites have been critical of the MoD for years. The United Kingdom was the third country (after the United States and the Soviet Union) to develop and test nuclear weapons, and is one of the five nuclear-weapon states under the Treaty on the Non-Proliferation of Nuclear Weapons.. Trident is the only nuclear weapon system operated by the UK since the decommissioning of … The UK Trident programme was announced in July 1980 and patrols began in December 1994.

UK and nuclear disarmament.

The UK initiated a nuclear weapons programme, codenamed Tube Alloys, during the Second World War.At the Quebec Conference in August 1943, it was merged with … Since 1968, the Royal Navy has upheld a patrol mission of Continuous At Sea Deterrence. The boats are being constructed by BAE Systems Maritime – Submarines at Barrow-in-Furness. The class sets a new standard for the Royal Navy in terms of weapons load, communication facilities and stealth. As the current Vanguard-class submarines reach the end of their lifecycle, they will be replaced by a fearsome new breed of nuclear submarine: the Dreadnought class. If we ceased continuous deterrent patrols, we could be deterred or prevented from deploying a nuclear submarine in a crisis. The Astute class is the latest class of nuclear-powered fleet submarines in service with the Royal Navy.