What happened to Surcouf - the largest cruiser submarine of WW2
12:27
Why The Nazis Never Built An Aircraft Carrier?
16:35
Navy’s Biggest Mistake - Cancelling The Martin P6M SeaMaster
14:34
Russia's giant submarines to invade North America
28:00
The RIDICULOUS Steam Submarine: The K-Class Failure
17:32
What Happened to Project Habakkuk?
17:39
MN Surcouf – A Mysterious Disappearance, Never Solved
10:25
What ever happened to Cargo Submarines?
13:35