Don Front
During the defence of Stalingrad, the Red Army deployed five armies in and around the city (28th, 51st, 57th, 62nd and 64th Armies); and an additional nine armies in the encirclement counteroffensive (24th, 65th, 66th Armies and 16th Air Army from the north as part of the Don Front offensive, and 1st Guards Army, 5th Tank, 21st Army, 2nd Air Army and 17th Air Army from the south as part of the Southwestern Front).