The 1st Ukrainian Front, previously the Voronezh Front, was a major formation of the Red Army during World War II, being equivalent to a Western army group.

Case Blue was the Wehrmacht's plan for the 1942 strategic summer offensive in southern Russia between 28 June and 24 November 1942, during World War II. The objective was to capture the oil fields of Baku, Grozny and Maikop for two purposes: to enable the Germans to re-supply their low fuel stock and also to deny their use to the Soviet Union, thereby bringing about the complete collapse of the Soviet war effort.