yn . ▁On ▁ 2 8 ▁September ▁the ▁surv iv ors ▁reun ited ▁with ▁their ▁parent ▁corps ▁at ▁Engel ▁Air ▁Base ▁near ▁Moscow . ▁ ▁Battle ▁of ▁Moscow ▁Starting ▁on ▁ 2 ▁August ▁ 1 9 4 1 , ▁he ▁served ▁as ▁the ▁Chief ▁of ▁Staff ▁of ▁the ▁ 3 rd ▁Army , ▁which ▁was ▁commanded ▁by ▁Lieutenant ▁General ▁Vas ily ▁K uz net so v . ▁He ▁participated ▁in ▁the ▁Battle ▁of ▁Moscow . ▁ ▁St aling rad ▁Str ateg ic ▁Def ensive ▁In ▁May ▁ 1 9 4 2 ▁he ▁took ▁command ▁of ▁the ▁ 8 th ▁Caval ry ▁Corps ▁of ▁the ▁Bry ansk ▁Front . ▁In ▁October ▁ 1 9 4 2 ▁he ▁took ▁command ▁of ▁the ▁ 6 6 th ▁Army ▁of ▁the ▁Don ▁Front , ▁which ▁he ▁commanded ▁to ▁the ▁end ▁of ▁the ▁war . ▁His ▁army ▁took ▁part ▁in ▁the ▁Battle ▁of ▁St aling rad , ▁during ▁which ▁on ▁ 2 5 ▁November ▁ 1 9 4 2 ▁he ▁changed ▁his ▁surname ▁from ▁" Z h id ov " ▁to ▁" Z had ov " ▁on ▁Joseph ▁St alin ' s ▁request , ▁because ▁the ▁name ▁sound ed ▁Jewish . ▁Ale k sey ▁Z had ov ▁was ▁in ▁reality ▁eth n ically ▁S lav . ▁Z had ov ' s ▁ 6 6 th ▁Army ▁was ▁renamed ▁the ▁ 5 th ▁Gu ards ▁Army ▁for ▁its ▁bra very ▁and ▁ten acity ▁displayed ▁at ▁St aling rad . ▁ ▁Battle ▁of ▁Kur sk ▁In ▁April ▁ 1 9