Battle of Stalingrad on Soviet records, over 10,000 German soldiers continued to resist in isolated groups within the city for the next month. Some have presumed that they were motivated by a belief that fighting on was better than a slow death in Soviet captivity. Brown University historian Omer Bartov claims they were motivated by National Socialism. He studied 11,237 letters sent by soldiers inside of Stalingrad between 20 December 1942 and 16 January 1943 to their families in Germany. Almost every letter expressed belief in Germany's ultimate victory and their willingness to fight and die at Stalingrad to achieve that victory. Bartov
Battle of Stalingrad attempt. He acknowledged the heavy moral sacrifice that giving up Stalingrad would mean, but this would be made easier to bear by conserving the combat power of the Sixth Army and regaining the initiative. He ignored the limited mobility of the army and the difficulties of disengaging the Soviets. Hitler reiterated that the Sixth Army would stay at Stalingrad and that the air bridge would supply it until the encirclement was broken by a new German offensive. Supplying the 270,000 men trapped in the "cauldron" required 700 tons of supplies a day. That would mean 350 Ju 52 flights a