A test of Britain's nuclear deterrent system ended in failure for the second time. The incident involved a $70 million Trident missile that both the US and UK have in their arsenal.

The Royal Navy’s four Vanguard-class submarines are the cornerstone of the United Kingdom’s strategic nuclear deterrent.

A British nuclear missile test launch failed at a test site off the coast of Florida, marking the second time in eight years that the country’s Trident 2 ballistic missiles have malfunctioned ...

A nuclear-capable Trident II missile test launched in the Atlantic off the coast of Florida on Jan. 30 reportedly splashed back down shortly after launching, according to Britain's The Sun newspaper.

Lockheed Martin Corp.’s LMT business segment, Space Systems, recently clinched a modification contract for manufacturing its Trident II D5 missile. Per the terms of the deal, Lockheed will also ...

An unarmed Trident II D5 missile launches from the Ohio-class ballistic missile submarine USS Nebraska off the coast of California in 2021. (1st Class Ronald Gutridge/Navy) The U.S. Navy’s ...

Britain's Trident nuclear-deterrent system misfired during a test last month, sending a missile crashing into the ocean off the Florida coast near the submarine that launched it, The Sun newspaper ...

LONDON — British lawmakers are seeking reassurances about the nation’s nuclear deterrent after reports that a test of the system failed dramatically last month when an unarmed missile crashed ...

The Navy is completing a milestone decision on the nuclear sea-launched cruise missile in Fiscal Year 2026 with delivery expected in 2034, Vice Adm. Johnny Wolfe said Wednesday. “We’ve already ...

A British nuclear missile test launch failed at a test site off the coast of Florida, marking the second time in eight years that the country’s Trident 2 ballistic missiles have malfunctioned ...

Britain's Trident nuclear-deterrent system misfired during a test last month, sending a missile crashing into the ocean off the Florida coast near the submarine that launched it, The Sun newspaper ...