READ MORE: Grant Shapps insists ministers have 'absolute confidence' in UK's nuclear deterrent after Trident missile sinks with a 'plop' in the Atlantic during failed test launch from Royal Navy ...

The previous test firing from a UK submarine, in 2016, also ended in failure, when the missile veered off course. Who decides whether to use Trident? The decision to launch nuclear weapons can ...

British tests of Trident missiles are rare ... "Of course it is embarrassing when the launch is announced in advance and the defence secretary is on board. It doesn't look good." ...

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 British navy suffered an embarrassing flop after a failed test launch of a Trident nuclear missile was revealed. The Sun newspaper, which first reported the failure, quoted an unnamed source ...

What is Trident II (D-5) SLBM? Trident II (D5) is a three-stage, inertially guided missile that is part of the U.S. strategic nuclear deterrent triad. It has a range of about 4,000 nautical miles ...

It is now confirmed that the weapon Russia fired in an unprecedented attack on Ukraine yesterday was not an intercontinental ...