U-20

Class: The Type IIB was a lengthened version of the Type IIA. Three additional compartments were inserted amidships which were fitted with additional diesel tanks beneath the control room. The range was increased to 1,800 nautical miles at 12 knots. Diving time was also improved to 30 seconds.

Deutsche Werke AG, of Kiel, built four Type IIBs in 1935 and 1936, Germaniawerft AG, of Kiel, built fourteen in 1935 and 1936, and Flender Werke AG, of L?beck, built two between 1938 and 1940, for a total of twenty built.

Nationality: Germany is a Western European country with a landscape of forests, rivers, mountain ranges and North Sea beaches. It has over 2 millennia of history. Berlin, its capital, is home to art and nightlife scenes, the Brandenburg Gate and many sites relating to WWII. Munich is known for its Oktoberfest and beer halls, including the 16th-century Hofbräuhaus. Frankfurt, with its skyscrapers, houses the European Central Bank.