What does the 'U' in U-boat stand for and how many of them are left?

Few naval vessels have developed as enduring of a legacy as German U-Boats, but what does that name actually mean?
military-stuff

Life on a U-Boat was Worse than Hell

U-boats are naval submarines operated by Germany, especially during World War I and World War II. The term is an[...] ...
Charlotte Observer

Long-debated story of WWII U-boat attack on North Carolina finally gets its due

One of the most disputed moments of North Carolina history centers on whether a Nazi U-boat attacked a chemical plant near Kure Beach during World War II. Witnesses swore it happened on the night of ...
WWAY TV

WWII historical marker dedication planned in Kure Beach to recognize 1943 U-boat attack

KURE BEACH, NC (WWAY) — A dedication ceremony will be held next month in Kure Beach for a World War II American Heritage City historical marker recognizing a German U-boat attack near the Ethyl-Dow ...
Military.com

How a US War Crime Against a German Rescue Mission Helped Exonerate a Nazi Admiral at Nuremberg

Werner Hartenstein pulled drowning British troops from the Atlantic Ocean in September 1942. The German U-boat commander was flying Red Cross flags and even radioed for help in English. American ...