Feb. 21 (UPI) --British Defense Secretary Grant Shapps on Wednesday confirmed that he and other leaders were aboard a Trident submarine when the test launch of a Trident II 5 nuclear missile failed ...

LONDON — British Defense Secretary Grant Shapps and other top officials were on a Royal Navy nuclear submarine when the test-firing of a Trident II D5 nuclear missile failed last month. The misfire ...

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

HMS Vanguard is the lead boat of a four-strong class of Trident-armed SSBNs whose role is to provide the UK's strategic nuclear deterrent. (UK MoD) The test firing of an unarmed Trident II D5 missile ...

It's the second time in just a few months the US president has brought up nuclear submarines in response to Russian talk ...

The Minuteman III intercontinental ballistic missile will take flight from Vandenberg Space Force Base in California.

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 Strategic ...

The U.S. Navy has awarded a $68.4 million contract to The Charles Stark Draper Laboratory Inc., based in Cambridge, Massachusetts, to supply interferometric fiber optic gyros (IFOGs) and related ...

A Cold War nuclear missile will remain in service for a total of 94 years thanks to a US$383 million US Navy contract, with Lockheed Martin to modernize the submarine-launched Trident II missile and ...

The cost-plus-incentive-fee and cost-plus-fixed-fee contract modification entails the design of the integrated, modernized missile, called the Trident II D5 Life Extension 2, which will be carried by ...