The Reserve Armies were a group of armies formed by the Soviet Union's Red Army during World War II. Formed to control the training of newly formed units in the rear areas and provide army level headquarters to reconstitute destroyed armies or to form new armies. The Reserve Armies provided the Soviet High Command with a quickly deployable army headquarters to help stem German breakthroughs in the early part of the war.
List No. 2 Headquarters of Combined-Arms, Tank, Air and Sapper Armies, PVO Armies, Military Districts and Organs of Flotilla Headquarters that were included in the Composition of the Operational Army in the years of the Great Patriotic War 1941-1945, Moscow 1970.