In March 1945, the German desperate offensive on the Danube began. While the Sixth SS Armored Army came out of positions to establish bridgeheads across the river, the STAVKA, Russia’s supreme command, was already making plans for the attack on Vienna. For ten days the German army plodded eastward until it was left exhausted. The big breakthrough did not materialize. On March 16, the Vienna operation began. The attacker became the defender, and between Budapest and Vienna the German army fo...