Answer
During the final phase of World War II, Marshal Semyon Timoshenko commanded two fronts: the Leningrad Front and the Volkov Front. The Leningrad Front was responsible for defending the city of Leningrad from German forces, while the Volkov Front was tasked with liberating Estonia and Latvia from German occupation. Under Timoshenko's leadership, both fronts played a crucial role in the Soviet victory over Nazi Germany.