Answer
The Second Battle of Kharkov resulted in Timoshenko's removal from command of the Stalingrad Front. The Soviet forces under his leadership suffered heavy losses and were forced to retreat, allowing the Germans to regain control of Kharkov. Timoshenko's failure to effectively coordinate his forces and anticipate the German attack led to his replacement by General Vasily Chuikov, who successfully defended Stalingrad from further German advances.