By A Mystery Man Writer
Why were U-Boats numbered instead of named? - Quora
If a U-boat is scuttled, does the crew die? If not, how do they
Why wasn't Admiral Earnest King relieved of command for his
What countermeasures do U-boats have against active sonar? - Quora
Did any U-boat shoot down a plane? - Quora
How did destroyers sink U-boats? - Quora
Why are submarines called U-boats? - Quora
What tactics were used when submarines first started attacking
What countermeasures do U-boats have against active sonar? - Quora
Did U-boats strafe lifeboats? - Quora