[1] The 19th IAP returned to the Leningrad Military District in October, and between 30 November 1939 and 13 March 1940 fought in the Winter War against Finland as part of the 54th Fighter Aviation Brigade of the VVS 7th Army of the Northwestern Front.
At the beginning of Operation Barbarossa, the German invasion of the Soviet Union, on 22 June 1941, the regiment fielded fifty I-16s, twenty Polikarpov I-153, and fifteen Mikoyan-Gurevich MiG-3 fighters for a total of 85 aircraft in five squadrons.
Tyutyunnikov claimed the regiment's first aerial victory of the war on 6 July, a German Junkers Ju 88 bomber near Lake Lubenskoye.
Due to losses, it was withdrawn to Cherepovets from 18 October to reorganize to a two-squadron structure with twenty fighters and two Polikarpov U-2 communication aircraft, which occurred on 17 November.
Beginning on 26 April, the 19th served as the training center for the VVS Volkhov Front, returning to the 2nd Reserve IAP on 15 July to retrain on the new Lavochkin La-5 fighter.
To receive new personnel, it was withdrawn to Morshansk in the Volga Military District with the 4th Reserve Fighter Aviation Regiment on 20 March.
It was moved to Chkalovsky on 4 August at the disposal of the commander of the Red Army Air Forces, where it was reorganized to consist of three squadron totalling 40 aircraft[5] in September.
After the end of the war on 9 May, the 176th Guards were awarded the Order of Kutuzov, 3rd class, on 11 June for their "exemplary performance of combat missions" during the Battle of Berlin.