After the start of Operation Barbarossa (June 1941), again under the command of the 6th Army, the XXXXIV Army Corps , composed of the 9th, 262nd, 297th and 57th Infantry Divisions, operated on the Southern Bug, and took Sokal and Krystynopol. During the Battle of Brody (1941), the XXXXIV Corps was subjected to strong counter-attacks by the Soviet 15th Mechanized Corps. After withstanding the attack, the advance towards Koziatyn continued.