Rosly), the 74th Rifle Division under General F.E.Sheverdin, the 176th Rifle Division (General Vladimir Martsinkevich) and 54th Tank Brigade under Colonel K.S. Minarov were assigned to the Army. It was later in 1942 reorganised as a defensive zone HQ, but then reformed again by conversion of the previous 5th Tank Army in mid April 1943. It joined the Southwestern Front. Its structure included the 172nd, 203rd, 244th, 333rd and 350th Rifle Divisions and other formations. In April - July the Army was in Front reserve, and then participated in the Donbas and Zaporozhye offensive operations. In November the army HQ was disbanded, with its forces transferred to other armies. Commanders First formation Komandarm Ivan Tyulenev (September 1939) Komkor Filipp Parusinov (October 1939 – 10 March 1941) Major General Pavel Ponedelin (11 March – 10 August 1941) POW Second formation Major General Ivan Galanin (25 August 1941 – 16 October 1941) Major General Konstantin Koroteyev (17 October 1941 – 5 April 1942) Major General Andrei Grechko (5 April – 3 September 1942) Colonel Aleksandr Sokolski (4–13 September 1942) Lieutenant General Nikolai Kirichenko (13–20 September 1942) Third formation Lieutenant-General Ivan Shlemin (20 April - 19 May 1943) Major-General Alexei Danilov (20 May - 30 October 1943). References Grechko A., " fight for Caucasus ", 2nd edition, Moscow, 1973 Grechko A., " years of war ", Moscow, 1976 Arshanyan, " Operations of 12th army in an initial stage of war ", Military-Historical Journal, 1973, No. 6 http://samsv.narod.ru/Arm/a12/arm.html 012 Military units and formations established in 1919 Military units and formations disestablished in 1943 1939 establishments in the Soviet Union