The 4th Panzer Army which had in it units which included the 14th and 24th panzer Divisions and 92nd infantry Division was under the command of General Hermann Hoth it guarded the outside perimeter of Stalingrad while the 6th Army was engaged in the battle to capture the city. For over two months, the 6th Army was embroiled in vicious fighting in the city; though it was able to take over 90% of the city, it was unable to destroy the last pockets of resistance. On 19 November 1942, the Red Army launched operation Uranus, a counter-offensive which encircled of the entire 6th Army the 4th Paer was fighting Russian forces outside the city during the whole of November and December and tried and failed to break the encirclement of Stalingrad in Operation winter storm in December 1942.