1st Guards Tank Brigade. Hero of the Soviet Union, Senior Sergeant Lubushkin 1942

Sergeant Lubushkin 1942

... Awarded with the excellent machine gunner insignia and the red star order, year 1943-1945.

Mladshiy serzhant Grudistova 

From my private collection, this NCO seem to be an veteran of 1941, the medal "For the Defence of the Soviet Transarctic" is not seen often. 
The cap is grey/blue because on the orignal photo, the cap is really dark compared to the jacket so I guess that's the good version ... also that can add a little bit of originality since tank troops had a specific cap color.