The Sunday Times newspaper, citing a senior naval source, claimed that the Trident II D5 missile failed after being launched from a British submarine off the coast of Florida in June. Prime Minister ...
A nuclear submarine of either the United States or the Royal UK Navy likely test fired a UGM-133 Trident II D5 Submarine-Launched Ballistic Missile (SLBM) in the North Atlantic on September 21, 2025.
Naval Technology on MSN
Can US expertise fix the UK’s nuclear deterrent?
The UK’s nuclear deterrent has failed during the past two test fires of the Trident II D5 submarine-launched ballistic missile.
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