U.K. Is Modernizing for the Second Nuclear Age

The Royal Navy’s Vanguard-class nuclear submarines provide the U.K.'s only nuclear deterrent. The Vanguard-class submarines are nuclear powered and armed with Trident nuclear ballistic missiles. (Photo: United Kingdom Ministry of Defense)
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- Managing Editor
- Clay Dillingham
As the U.K.’s stockpile ages, and materials and processes change, the U.K. must examine weapons for signs of degradation, predict the effects of these changes, and be ready to refurbish or remanufacture its stockpile of weapons. Once built, refurbished, or remanufactured—or perhaps, depending on political decisions, eventually redesigned—U.K. warheads must be certified in the absence of underground tests.
In addition, the U.K. is in a period of major investment in terms of workforce, facilities, and programs. The workforce has grown from a low of 3,000 to the current 4,500. At the same time, there are major investments in rebuilding facilities to replace much of the U.K.’s 1950s infrastructure.
Whether the U.K. is certifying its nuclear weapons or is growing and modernizing its weapons complex, the U.K. knows that its partnership with the U.S. and with Los Alamos has been and remains pivotal in shaping the U.K.’s deterrent program.
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