What You Need to Know: The Royal Navy’s Vanguard-class ballistic missile submarines have been the cornerstone of the UK’s nuclear deterrent since the early 1990s. Comprising four vessels—HMS Vanguard, ...
A nuclear-powered submarine of the Royal Navy has resurfaced and returned to port after completing a record-breaking 204 days at sea. After spending over six months underwater, the Vanguard-class ...
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