Related Clues:

• Member of a W.W. II wolf pack
• Dangerous sub
• It tried to avoid charges?
• It may give a sinking feeling
• Tin can's target
• W.W. II sub
• German diver
• WWII sub
• Wolf pack member
• Marine menace
• ''Das Boot'' sub
• War vessel
• WWII menace
• Lusitania's attacker
• The Lusitania's undoer