What Happened to Project Habakkuk?
14:30
The plane that was unbalanced... on purpose - BV 141
15:39
What happened to Surcouf - the largest cruiser submarine of WW2
10:25
What ever happened to Cargo Submarines?
16:57
What Happened To The Nautilus?
14:08
Quand la queue d’un B-17 s’est détachée avec un mitrailleur à bord
28:00
The RIDICULOUS Steam Submarine: The K-Class Failure
14:01
What ever happened to Stealth Ships?
29:30