The Soviet-German war was marked by numerous encirclements, first of Soviet units and, as the war continued, of German units as large as entire armies, such as the 6th Army at Stalingrad. Fighting encircled became a frequent occurrence for German commanders, and their experiences at Klin, Cherkassy, and Kamenets-Podolskiy are related here as well as an analysis of the critical role of air support when fighting encircled.