Trident is Britain's independent nuclear deterrent, consisting of four submarines: HMS Vanguard, Victorious, Vigilant, and ...

Fears of an accidental nuclear weapons launch have re-emerged after the test firing of a Trident missile from a Royal Navy submarine failed for the second time in a row. The failure came days ...

The failure was said to be the second misfiring in a row, with a test launch of a Trident missile by the Royal Navy off the coast of the US in June 2016 also said not to have gone entirely to plan.

TORY leaders were “stupid” in trying to cover up the misfiring of a Trident missile during a test session because it ... Prof Clarke said: “It’s not the failure that does the damage but the cover-up … ...

As leading U.S. manufacturer Lockheed Martin secured a multi-million-dollar contract to design the military’s next-generation Trident II D5 ballistic missile, the Navy is hoping to secure its ...

The Pentagon and Department of Energy have completed production and development of a new low-yield nuclear warhead for the Trident II D5 nuclear-armed ballistic missile ...

Lockheed Martin Corporation LMT recently secured a contract valued at $63.4 million for the production of Trident II D5 missiles and providing deployed systems support. The award has been provided ...

“Reports of a Trident test failure are concerning. The defence secretary will ... and therefore there are no implications for the reliability of the wider Trident missile systems and stockpile. “The ...