Крымский фронт
Tolbukhin remained in this position through the opening phases of Operation Barbarossa until August 1941, when he was made the chief of staff of the Crimean Front, which he held until March 1942. From May to July 1942, he was the assistant commander of the Stalingrad Military District. After that, he was the commander of the 57th Army until March 1943. The 57th was involved in the Battle of Stalingrad, where Tolbukhin's superior, Colonel-General Andrei Yeremenko, praised his command organization and military prowess. After his command of the 57th, Tolbukhin was placed in command of the Southern Front.