Dramatic second Nato submarine torpedoes a frigate in train within the North Sea

Incredible footage shows a frigate sinking after a NATO submarine fired at it with a torpedo during a military exercise in the North Sea. 

According to a social media post by the NATO Allied Joint Force Command Norfolk, the exercise – known as Aegir 25 – was carried out to ‘verify and demonstrate the striking power that the weapon and submarine represent’. 

Click the video above to watch the moment in full.