When Hitler launched Operation Barbarossa in 1941, he believed the Soviet Union would collapse in weeks. Instead, the Germans faced a nightmare of endless Soviet manpower, brutal winters, and the ...

Kavalerchik, Boris. The Tanks of Operation Barbarossa: Soviet Versus German Armour on the Eastern Front (United Kingdom: Pen & Sword Military, 2018). Liedtke, Gregory. Enduring the Whirlwind: The ...