 Complete the following phrase:  6th Panzer Division was soon transferred to Army Group Center, where it fought in the Battle of Moscow and the Rzhev-Vyazma Salient. With the Soviet counter offensive in December 1941 the division was pushed back and suffered the loss of practically all its tanks and most of its vehicles. With losses severe enough to render it combat incapable, the 6th Panzer Division was sent to France to be rebuilt in March 1942 and equipped with more modern tanks. It was moved to southern France after the Allied landings in North Africa in November 1942 - Operation Torch - but soon after relocated to the southern sector of the Eastern Front after the German 6th Army had been entrapped at Stalingrad. It was part of the failed German attempt to break through to the encircled forces but then had to retreat to escape encirclement itself. The division was part of the German retreat and successful counter offensive at 