LURKING in the dark depths of the seas for months on end, our nuclear submarines are even more secretive than the SAS. Known as the Silent Service, their whereabouts cannot be revealed, images of the hi-tech interiors are classified and crew never discuss their missions.
But now, thanks to the geniuses behind hit TV series Line Of Duty, the bizarre world of the submariner is being brought to the surface in gripping BBC drama Vigil.
The six-part murder mystery, which pulled in six million viewers for each of its first two episodes this weekend, sees Suranne Jones play a detective sent on board a nuclear sub to investigate a death.
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