 Complete the following phrase:  During the early stages of the Battle of Voronezh 1942, the command of the Bryansk Front selected 5th Tank Army under Major-General Lizyukov to organize a counter-attack on the flank and rear of the German troops advancing on Voronezh. On 5 July 1942 the army was ordered to immediately break through to the Don River at Voronezh. Given the scattered locations of his corps and the tight schedule of the order, Lizyukov started his movements without the ability to fully concentrate his forces, but sent the 7th Tank Corps on 6 July, followed by the other units on 7 and 10 July 1942. In addition, instead of cutting into the flanks of the enemy, 5th Army faced 24th Panzer Division frontally, as this unit had moved south instead of east in accordance to the planning for 