Ubisoft's Silent Hunter series is the daddy of submarine sims and latest instalment, Silent Hunter 4: Wolves of the Pacific, is due on March 22. In the meantime though, a new trailer combining gameplay footage with real-life sub action has been released. Point your periscope starboard for the goods.

In Silent Hunter 4, you play an American skipper in charge of a submarine on operations in the Pacific Ocean.

Trailer Here