Yak-1 https://en.wikipedia.org/wiki/Yakovlev_Yak-1 Yak-3 https://en.wikipedia.org/wiki/Yakovlev_Yak-3 Yak-7 https://en.wikipedia.org/wiki/Yakovlev_Yak-7 Yak-9 https://en.wikipedia.org/wiki/Yakovlev_Yak-9