Nazi Flak tower. Used against allied aircraft in Europe. They had an air defense range of 14km and could put up 8,000 rounds in a minute!!!
Zoo Flak Tower in Berlin After Extensive Bombings, 1945.
Join our May 2013 tour and check out some of Hitler's toughest defensive structures - Flak towers. Their amazing story here: http://en.wikipedia.org/wiki/Flak_tower
The 350-strong garrison of the Zoo flak tower finally left the building. There was sporadic fighting in a few isolated buildings where some SS troops still refused to surrender, but the Soviets reduced such buildings to rubble.
56th FG P-47 attacking (what is probably misidentified as) a flak tower at a German airfield in France. Consensus seems to be that it's a water tower since there are no visible gun openings.
Berlin WW2 German flak tower - there were three of these giants in Berlin,the Soviet tank guns could not dent them. They held thousands of Berliners and were surrendered at war's end.
Flaktürme Flak Tower
Flak Towers of the Reich | World War II History
The Berlin Flak Tower | Berlin | Germany | World War Two | Historvius
30,000 people could fit in the Flak Tower in Berlin Friedrich Tamms, 1943