Secrets of WWII REVEALED | Drain the Oceans MEGA EPISODE | U-Boats, Warships, & Pearl Harbor
The Nazi Secret Weapons - The hidden secrets of the Nazis are revealed when the oceans covering them ...View More
How Killer U-Boats Battled the Royal Navy (Full Episode) | Drain the Oceans
Draining the oceans reveals the story of the U-Boats as they took on the Royal Navy, sinking 12 mill ...View More