There were about 10 Yak-9 in the 15th and 43th IAP of 278th IAD (3rd IAK) Link to my post on the Russian forum https://forum.il2sturmovik.ru/topic/6073-yak-9-v-nebe-stalingrada-i-ne-tolko/?do=findComment&comment=545589 Yes, we need late version of LaGG-3 for BOK, it was the main fighter in the summer and autumn of 1943. I've to use LaGG-3 s.29 in the future campaign to show some fighter regiments...