 Complete the following phrase:  In recognition of its courage in the initial stages of Operation Little Saturn, the 1st Rifle Division was converted into the 58th Guards Rifle Division, an elite Guards unit, on 31 December 1942. The 408th, 412th, and 415th Rifle Regiments became the 173rd, 175th, and 178th Guards Rifle Regiments, respectively, while the 1026th Artillery Regiment became the 130th Guards Artillery Regiment on 27 February 1943. Continuing the attack, the 58th Guards captured Millerovo alongside the 38th Guards Rifle Division on 17 January 1943. During February, it reached the Seversky Donets near Voroshilovgrad, contributing to the capture of the latter on 14 February. During the second half of February and early March, initially with the 1st Guards, then the 6th Army, and the 3rd Tank Army from mid-March, of the Southwestern Front, the division participated in the repulse of the German 