Within a day, German attacks had demolished one-quarter of the Soviet air force. Within four months, the Germans had occupied 600,000 square miles of Russian soil, captured 3 million Red Army troops, butchered countless Jews and other civilians, and closed to within sixty-five miles of Moscow. But four months after that, more than 200,000 Wehrmacht troops had been killed, 726,000 wounded, 400,000 captured, and another 113,000 had been incapacitated by frostbite.

