Defense Technology International – BAE Systems is working on the design of new-generation ballistic missile submarines (SSBNs) for the Royal Navy, under a two-year study program that started after a March 2007 parliamentary vote. The SSBNs are expected to extend the life of the UK’s independent deterrent to at least 2040, together with participation in the US Navy’s Trident D5 Life Extension program and development of a new warhead, either built in the UK or collaboratively developed with the US.
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