german U-boats were submarines. in German they are called Unterseeboot
U boats
german submarines
The numbers on German U-Boats represented the model numbers.
No. German U-boats had ordinary, Arabic numerals, such U96 and so.
It's U-boats!!!!!
U-boats were German.
U boats were invented in 1914 for WW1
german U-boats were submarines. in German they are called Unterseeboot
U-boats, packs of German U-boats searching for American ships were called wolf packs
3-11 u-boats
They were German boats used in WWII.