WWII era submarines were heated by Convection Air, direct Steam or Hot Water Radiators, and Plenum systems (forced air duct ventilation). Running diesel engines to recharge batteries on the surface were also great heaters, and still are today, though a bit noisy for most.
A U-boat was a submarine used by Germany in World War 1 and World War 2.
underwater submarine
Hitler didn't start World War 1, but started World War 2 by invading Poland.
Mk14 torpedoes and the Torpedo Data Computer (TDC)
WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.WWII which is an abbreviation for World War 2.
It was a submarine in World War 1 or 2
A U-boat was a submarine used by Germany in World War 1 and World War 2.
It was a submarine in world war 1 or 2
u boat
Asdic
Underseaboat.
Was the humboldt a submarine?
underwater submarine
600 ft is threshhold
The U-boat submarine
24 hours
a Japanese i class submarine