After two years of lighting victories all across northern Europe, the German army has suffered its first major setback in the war. The great offensive to the east – the invasion of the Soviet Union – has stalled right in front of the gates of Moscow. Following the relentless defense of their capital city, the Soviets have launched several major counter-attacks during the harsh winter of 1941. German forces are forced to retreat and regroup, but must maintain their position in reach of Moscow. Once the Soviet attacks have been broken and the strength of the Panzer…