 Complete the following phrase:  The 273rd began forming for a second time from February to 16 May 1942, initially part of the Ural Military District. It was moved west before it finished forming, being relocated to Podolsk in the Moscow Military District during March. After receiving its commander, the 273rd was assigned to the Moscow Defence Zone on 16 May and in late August transferred to the Voronezh Front reserves. In late September, it was transferred to the front as part of the Don Fronts 1st Guards Army, north of Stalingrad. Between November 1942 and February 1943, the 273rd fought in Operation Uranus and 