Battle of Stalingrad but Paulus – ordered not to surrender by Hitler – did not respond. The German High Command informed Paulus, "Every day that the army holds out longer helps the whole front and draws away the Russian divisions from it." The Germans inside the pocket retreated from the suburbs of Stalingrad to the city itself. The loss of the two airfields, at Pitomnik on 16 January 1943 and Gumrak on the night of 21/22 January, meant an end to air supplies and to the evacuation of the wounded. The third and last serviceable runway was at the Stalingradskaya flight school, which
Battle of Stalingrad built up a large number of artillery batteries on the east bank of the Volga. This artillery was able to bombard the German positions or at least provide counter-battery fire. Snipers on both sides used the ruins to inflict casualties. The most famous Soviet sniper in Stalingrad was Vasily Zaytsev, with 225 confirmed kills during the battle. Targets were often soldiers bringing up food or water to forward positions. Artillery spotters were an especially prized target for snipers. A significant historical debate concerns the degree of terror in the Red Army. The British historian Antony Beevor noted the "sinister" message