Royal Navy nuclear submarine equipped with Trident missiles 'suffered huge malfunction that sent the vessel into an endless dive - with engineers saving the 140 crew members moments before they faced being crushed by underwater pressure'
By Eirian Jane Prosser and Rory Tingle, Home Affairs Correspondent For Mailonline
Published: 18:53 EST, 19 November 2023 | Updated: 08:08 EST, 20 November 2023
A Royal Navy nuclear submarine equipped with Trident missiles suffered a huge malfunction that sent it into an endless dive before the vessel was righted moments before the crew faced being crushed by underwater pressure, it was claimed today.
The Vanguard class sub had been carrying 140 crew when its depth gauge suddenly failed while on a mission in the Atlantic.
It caused a frantic scrabble with engineers managing to stop the submarine and its nuclear reactor from plunging further just moments before disaster struck.
The deep sea vessel, carrying Trident 2 missiles, was on patrol when the depth indicators stopped working, with its crew falsely believing it was level when in fact it was diving deeper into the ocean.
It was only when engineers at the back of the sub found a second gauge indicating they were headed towards the 'danger zone' that they sounded the alarm.

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