Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II.
The U-boat was not some near-mythical creature as it was almost portrayed by the Allied media, nor even was it a drone built ...
During World War II, Britain’s battle against Nazi U-boats sparked one of history’s most bizarre engineering projects: Project Habakkuk. This audacious plan aimed to build massive aircraft carriers ...