Niklas Zetterling is a military historian and researcher at the Swedish Defense College. His books include Bismarck, The Korsun Pocket, and The Drive on Moscow, 1941.
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The successes of the German Blitzkrieg in 1939-41 were as surprising as they were swift. Allied decision-makers wanted to discover the secret to German success quickly, even though only partial, incomplete information was available to them. The false conc... SEE MORE