USSR Air Tree Concept

	Researchable vehicles					Premium vehicles
VI Rank	Yak-38M	MiG-21F-13	Su-9	Su-7BKL	Yak-28B	Su-7BMK	MiG-21S (R-13-300)
VII Rank	Yak-28P/PM Tu-128M	MiG-21SMT MiG-21bis MiG-21 MiG-23M MiG-23P/Bis MiG-23MLD MiG-25PDS(G/L)	Su-11 Su-15TM	Su-17M2 Su-17M4 IL-102 Su-24M	MiG-27M MiG-27K MiG-25RB Tu-16 Tu-22 Tu-95	Tu-28 Su-22M3 MiG-23ML Su-25A MiG-21UPG	MiG-21SM Su-15(1966) MiG-25BM MiG-27M-99 MiG-23-98-2
VIII Rank	Yak-130 Yak-141	MiG-31B MiG-29A(9.12) MiG-29SMT MiG-29M/K MiG-31BM MiG-35	Su-27S Su-33 Su-30M2 Su-27SM/SM3 Su-30SM/SM2 Su-35S	MiG-31B Su-25SM3 Su-34	Tu-22M Tu-160	Su-27P1M Su-27KUB MiG-29SM MiG-1.44 Su-37	Su-25SM Su-27PU Su-30MKV Su-30KN Su-27M Su-35
IX Rank		MiG-41	Su-57(AL-41F) Su-57(izd.30) Su-75			Su-47

This is a concept made by WreckingAres283, I just converted it from Excel to War Thunder tree.