Further write-offs loom over two contracts, for Nimrod marine-surveillance aircraft and new Astute-class nuclear submarines.
It was very expensive and took longer to build than other Soviet nuclear submarines.
Devonport is home to the Royal Navy's seven Trafalgar-class nuclear-powered submarines and has four decommissioned nuclear submarines awaiting dismantling.
Russia's neighbours worry about derelict nuclear submarines, decrepit power stations and the like.
Experience on other isolated situations, such as on board nuclear submarines, have shown crews value a leader who is decisive yet understanding.
BBC: NEWS | Entertainment | The battle to stay sane in space
Without Northrop we don t have aircraft carriers and nuclear submarines.
The threat from conventional and nuclear submarines cannot be overstated.
The New Start treaty limits each side to no more than 800 deployed nuclear warhead delivery systems including bombers, missile launchers and nuclear submarines - a cut of about 50%.
Carwyn Jones said he "failed to understand" Mr Thomas' point and said he wanted Wales be be able to compete for any jobs created by moving the nuclear submarines to Wales.
When the questions erupted - is it remotely practical, can any port be home to liquefied natural gas, oil refineries and nuclear submarines, how many jobs would come to Wales, was he serious?
U.S. nuclear submarines ply the region's waters, however, and Washington makes clear that its so-called nuclear "umbrella" over South Korea is meant to deter an attack on its ally by North Korea, whose 1950 invasion ignited the three-year Korean War.
Bond has gone into outer space, into volcanoes, spent a considerable amount of time undersea, and traversed the globe in virtually every kind of vehicle, from Venetian gondolas to motorcycles, Aston Martins to nuclear submarines, and has even been transported by oil pipelines and in one forgettable sequence, by using a string instrument as sled.
Jeong Kim, 39, is a former Navy officer who spent seven years aboard nuclear attack submarines.
This examines what would happen if an independent Scotland insisted on the immediate removal of the Trident nuclear missile submarines from their base on the Clyde.
William and Catherine, who are known as the Earl and Countess of Strathearn in Scotland, were due to travel to Barrow-in-Furness, Cumbria, to learn about the new Astute Class of nuclear powered submarines being built for the Royal Navy by BAE Systems.
The merged company would be the only one that could produce nuclear ships and submarines for the U.S. Navy.
Tritium is a radioactive substance produced by the reactors from nuclear-powered submarines based at the Devonport yard.
Possible alternatives include ending the requirement to have nuclear weapons on submarines at sea round-the-clock, or using different submarines and cruise missiles.
The nuclear strategy will not take U.S. nuclear weapons off submarines, bombers and missiles that could fire them at a moment's notice.
The SNP government in Edinburgh wants a fleet of nuclear-armed submarines to be removed from its base on the west coast of Scotland.
The U.S. Navy is staging the aquatic-equivalent of a dog-and-pony show in the Arctic Ocean this month with a small fleet of nuclear-powered submarines.
Today's visit to the Clyde by Defence Secretary Philip Hammond included a claim of 1, 200 jobs currently dependent on the next generation of nuclear-armed submarines.
The U.S. Navy has deployed two nuclear-powered submarines off the coast of Alaska close to a temporary camp constructed on the ice roughly 150 miles north of Prudhoe Bay.
If Scotland's First Minister managed to get rid of the nuclear-armed submarines based in Faslane, there would be a welcome for them - if not in the hillsides - in the deep waters of Milford Haven.
The vessels currently provide a nuclear deterrent because the submarines, under the waves in secret locations, would be almost impossible to destroy in a pre-emptive strike.
If the go-ahead is given any of the Royal Navy's 15 Trafalgar-class or Swiftsure-class submarines could visit Southampton - as well as foreign submarines carrying nuclear weapons.
Robert Kehler of U.S. Strategic Command also stated recently that the United States may decide to move from a "triad" of nuclear delivery vehicles (submarines, bombers, and inter-continental ballistic missiles) to a "dyad" of only two types of delivery vehicles.
The Trident missile system, Britain's nuclear deterrent, is carried by submarines based at the Faslane naval base on the Clyde, near Helensburgh.
Mr Cameron had earlier visited HMS Victorious, one of the Royal Navy's four Vanguard-class submarines which keep Trident nuclear missiles continuously at sea, which is returning from its 100th patrol.
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