The Type IX U-boat was designed by Nazi Germany's Kriegsmarine in 1935 and 1936 as a large ocean-going submarine for sustained operations far from the home support facilities.
Type U 151 U-boats were a class of large, long-range submarines constructed during World War I by the Kaiserliche Marine.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a federal parliamentary republic in western-central Europe.
New!!: German submarine U-156 and Germany ·
A submarine is a watercraft capable of independent operation underwater.
New!!: German submarine U-156 and Submarine ·
World War I (WWI or WW1), also known as the First World War or the Great War, was a global war centered in Europe that began on 28 July 1914 and lasted until 11 November 1918.
World War II (WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, though related conflicts began earlier.