The deep water diving team uncover the German U-boat wrecks off the Northern Irish coastline that reveal how the Battle of the Atlantic finally swung in the Allies' favour. Show more
Discover 11,128,835 listings and 278,133 playable programmes from the BBC
The deep water diving team uncover the German U-boat wrecks off the Northern Irish coastline that reveal how the Battle of the Atlantic finally swung in the Allies' favour. Show more