 Complete the following phrase:  The corps was re-formed in May 1942 at the Moscow Armored Training Center, nearly a year after Germany had abandoned the MolotovRibbentrop Pact and invaded the Soviet Union. Major General Vasily Koptsov took command of the formation, which included the 96th and 113th Tank Brigades, the 105th Heavy Tank Brigade, the 17th Motor Rifle Brigade, and the 5th Reconnaissance Battalion. The corps was assigned to the 3rd Tank Army on 25 May, and as of 2 June included 150 tanks, comprising 30 KV tanks, 60 T-34 tanks, and 60 T-60 light tanks. The corps concentrated in the Tula area with the rest of the army, conducting intensive training exercises. After Axis forces launched the 