The Transbaikal Front () was a front formed on September 15, 1941 on base of the Transbaikal Military District. Initially, it included the 17th and 36th armies, but in August 1942 the 12th Air Army was added to the front, and, finally, in June–July 1945 the 39th and the 53rd armies, the 6th Guards Tank Army, and the Soviet Mongolian Cavalry Mechanized Group under Issa Pliyev. From September, 1941 to January, 1945 the Transbaikal Front sent to the Soviet fronts in Europe about 300,000 personnel, 1,440 tanks, and 2,230 guns.