Related Clues:
- World War II vessel
- Wolfpack member
- Wolf pack member of WWII
- Wartime sub
- WWII convoy raider
- Hamburger's sub?
- Battle of the Atlantic vessel
- Underwater vessel
- W.W. II ship sinker
- WWII German threat
- German submarine of WW2
- Submarine missile
- Submersible warship armed with torpedoes
- Explosive missile from submarine
- Missile form a submarine