On what date did the Soviets attack the 3rd Panzer Army with 700 tanks ?
The 6th SS Panzer Army would again take the lead , with the I SS Panzer Corps ( 1 SS " Leibstandarte " and 12 SS " Hitlerjugend " ) and the II SS Panzer Corps ( 2 SS " Das Reich " and the 10 SS " Frundsberg " ) .