part of the 7th Fighter Aviation Corps PVO when the division expanded into the latter on the next day. During the month, it was reorganized to a three-squadron structure authorized thirty aircraft, transferring the I-153-equipped 4th Squadron to the 192nd IAP and the I-16-equipped 5th Squadron to the 195th IAP. While still flying missions, it converted two squadrons to the MiG-3 and one squadron to the Lavochkin-Gorbunov-Gudkov LaGG-3 fighter. In addition to air defense, the 19th IAP also flew ground attack missions and provided air cover in support of the ground troops of the Leningrad Front until 23 August. The squadron absorbed five pilots and their MiG-3s from the 35th Fighter Aviation Regiment on 12 September. Due to losses, it was withdrawn to Cherepovets from 18 October to reorganize to a two-squadron structure with twenty fighters and two Polikarpov U-2 communication aircraft, which occurred on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. A month later, the regiment transferred to Semyka in Gorky Oblast to re-equip with LaGG-3s in the Moscow Military District with the 2nd Reserve Fighter Aviation Regiment, remaining there until February. From 25 February, it fought as part of the 2nd Reserve Aviation Group of the Supreme High Command, operating under the command of the VVS Volkhov Front. 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. It was relocated without aircraft to Lyubertsy on 9 August, and there reorganized on 23 October to consist of three squadrons with ten aircraft each. It joined the 269th IAD at Buturlinovka on 27 December. The 19th went back into combat with the 269th as part of the 2nd Air Army of the Voronezh Front on 2 January 1943. To receive new personnel, it was withdrawn to Morshansk in the Volga Military District with the 4th Reserve Fighter Aviation Regiment on 20 March. The regiment was sent back to the 2nd Air Army reserve between 3 and 25 July, with which it conducted combat training without flying in combat. 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 in September. The regiment returned to combat on 8 January 1944 as an independent fighter regiment tasked with sweeping the skies