article_snippet.sent: A British nuclear submarine suffered £500,000 damage in a collision while tracking Russian vessels, The Mail on Sunday can reveal .
article_snippet.sent: A British nuclear submarine suffered £500,000 damage in a collision while tracking Russian vessels, The Mail on Sunday can reveal.
article_snippet.sent: Navy sources say the damage to the nuclear-powered submarine, which will cost as estimated £500,000 to repair, is consistent with striking an object while trying to surface.