Drain the Oceans season 2 episode 3
Episode title: Killer U-Boats
Draining the oceans reveals the story of the U-Boats as they took on the Royal Navy, sinking 12 million tons of ships and nearly winning the war.
Draining the oceans reveals the story of the U-Boats as they took on the Royal Navy, sinking 12 million tons of ships and nearly winning the war.
