1077th Anti-Aircraft Regiment
The 1077th Anti-Aircraft Regiment (Russian: 1077-й зенитный артиллерийский полк, romanized: 1077-y zenitnyy artilleriyskiy polk, lit. '1077th Zenithal [Anti-Aircraft] Artillery Regiment') was a unit of the Stalingrad Corps Region of the Soviet Air Defense Forces that participated in the Battle of Stalingrad in 1942. Under the leadership of Colonel Raiynin, the regiment operated within the Stalingrad Military District and later came under the command of the Stalingrad Front during the battle for the city.
Source: Wikipedia — 1077th Anti-Aircraft Regiment (CC BY-SA 4.0)