OTD 21 years ago, during a military exercise at the Barents Sea, Russian nuclear-powered (Oscar II class) submarine Kursk sank following a chain of explosions on board, eventually killing all 118 of its sailors.

lfe-🤖: OTD 21 years ago, during a military exercise at the Barents Sea, Russian nuclear-powered (Oscar II class) submarine Kursk sank following a chain of explosions on board, eventually killing all 118 of its sailors.

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