UBOAT

Red October's ancestor

• Das Boot, for one

• Das Boot craft

• Das Boot setting

• Das Boot sub

• Das Boot vessel

• Enigma menace

• Lusitania sinker

• The Cruel Sea attacker

• The Enemy Below attacker

• The Enemy Below enemy

• The Enemy Below threat

• The Enemy Below vessel

• Ashcan target

• Athenia sinker

• Attacker of allied ships

• Axis predator

• Axis submarine

• Axis vessel

• Battle of the Atlantic vessel

• Certain torpedo launcher

• Concern for an Allied ship

• Convoy chaser

• Convoy hunter

• Convoy menace

• Convoy raider

• Dangerous sub

• Depth charge target

• Depth-charge target of WWII

• Destroyer destroyer

• Destroyer hunter

• Destroyer's foe

• Erstwhile German marine menace

• Erstwhile marine menace

• Erstwhile menace

• Feared diver of the past

• Feared WWI vessel

• Former Atlantic ocean threat

• Ger. sub

• Ger. submarine

• German craft

• German diver

• German lurker

• German menace

• German military sub

• German military submarine used in World War I and II: Hyph.

• German sea scourge

• German sinker

• German sub

• German sub of WWII

• German submarine

• German submarine in World War II: Hyph.

• German threat

• German vessel in WWII

• German war sub

• German war vessel

• German warship

• German WWI menace

• German WWII craft

• German WWII sub

• German WWII submarine

• Hamburger's sub?

• HMS Courageous sinker

• It may give a sinking feeling

• It strewed torpedoes about

• It tried to avoid charges?

• Its first letter stands for untersee

• Kriegsmarine vessel

• Liner sinker

• Liner threat, once

• Lusitania undoer

• Lusitania's attacker

• Lusitania's destroyer

• Lusitania's foe

• Lusitania's undoing

• Marine menace

• Marine menace of WW2

• Maritime threat of the early 1940s

• Member of a W.W. II wolf pack

• Member of a wolf pack

• Menace to Allied ships

• Naval convoy menace

• Nazi submarine

• Ocean menace of WWII

• Ocean menace, once

• Ocean predator

• One in search of a tin can

• One of a wolf pack

• One of Tirpitz's menaces

• One of Tirpitz's vessels

• One trying to avoid charges?

• Part of a German naval fleet

• Part of a wolf pack

• Periscope's source

• Q-ship's quarry

• R.N. nemesis in W.W. II

• Red October predecessor

• RMS Lusitania .s nemesis

• Ship sinker

• Shipper's worry in W.W. I

• Shipping threat of the past

• Sinker

• Sinker of Allied ships

• Sinker of liners

• Sinker of sorts

• Sinker of the Lusitania

• Sub

• Sub in WWII

• Sub that sank Allied ships

• Sub with sauerkraut?

• Submarine moving about (1-4)

• Submarine of W.W. I

• Subsurface war vessel

• Target of a depth charge

• The Lusitania's undoer

• Tin can target

• Tirpitz's menace: 1915

• Torpedo launcher

• Underwater vessel

• Untersee craft

• Unterwasser vessel

• Vessel in The Enemy Below

• W.W. I menace

• W.W. II Atlantic lurker

• W.W. II blockade enforcer

• W.W. II craft

• W.W. II danger

• W.W. II German sub

• W.W. II predator

• W.W. II sea menace

• W.W. II ship sinker

• W.W. II sub

• W.W. II vessel

• War vessel

• Wartime sea menace

• Wartime sub

• Wolf pack craft

• Wolf pack member

• Wolf pack member of W.W. II

• Wolf pack unit

• World War I vessel

• World War II sub

• World War II submarine: Hyph.

• WWI attacker

• WWI worry

• WWII blockade vessel

• WWII convoy menace

• WWII convoy raider

• WWII enemy sub

• WWII film staple

• WWII German threat

• WWII German vessel

• WWII marauder

• WWII maritime marauder

• WWII maritime menace

• WWII military transport

• WWII movie staple

• WWII nautical hazard

• WWII naval craft

• WWII naval menace

• WWII nemesis

• WWII ocean menace

• WWII submarine

• WWII threat

• WWII torpedo launcher

• WWII wolf pack member