 Complete the following phrase:  In July 1943, Hoth commanded the 4th Panzer Army in the Battle of Kursk as part of Army Group South. Operation Citadel called for a double envelopment, directed at Kursk, to surround the Soviet defenders and seal off the salient. The Army Group South committed Hoths 4th Panzer Army, alongside Army Detachment Kempf. Hoths divisions, reinforced by the II SS Panzer Corps under Paul Hausser, penetrated several Soviet defensive lines, before being brought to a halt in the 