World War II vessels
Else clues• Adm. Doenitz' force
• Ashcan targets
• Battle of the Atlantic attackers
• Depth charge targets
• Destroyer destroyers
• Enemy submarines, once
• Former marine menaces
• German military subs
• German submarines
• German subs
• Maritime hazard in W. W. II
• Maritime hazards in WWII
• Ocean predators
• Some subs
• Some WWII crafts
• Submerged threats of WW2
• Submerged WWII vessels
• Threats to World War shipping
• W.W. II craft
• W.W. II threats
• W.W. II wolf pack
• Wolf pack makeup
• Wolf pack members
• Wolf pack units
• World War marine menaces
• WW II fleet
• WWI menaces
• WWII wolf pack
• WWII depth charge targets
• WWII maritime hazard
• WWII submarines
• WWII subs
• WWII vessels