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.

An unarmed Trident II D5 Life Extension missile launches from an Ohio-class ballistic missile submarine off the coast of Florida during a planned test event from Sept. 17-21. (U.S. Navy) The U.S. Navy ...

SAN FRANCISCO -- A bright light with a glowing tail spotted in the Central California sky on Tuesday was a Navy missile test that had been in the works for years. U.S. Navy spokesman John Daniels told ...

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