U-Boat Works Super Sub: Fastest Private Submarine
The U-Boat Works Super Sub can reach 10 knots underwater, more than doubling the speed of typical private submarines. T…
The Bizarre Sinking of WWII Nazi U-boat U-1206
A WWII German U-boat, U-1206, sank in 1945 due to an unusual toilet malfunction, flooding the submarine and leading to…