Su-1, 3		Su-2		Su-5
Experimental fighters with liquid-cooled engines		High-speed attack/recon aircraft		Single-seat fighter
Su-6		Su-7		Su-8
Armoured ground-attack aircraft		Front-line fighter		Armoured attack aircraft
Su-9, 11, 13		Su-12		Su-15
Fighters		Recon and artillery observation aircraft		Interceptor
Su-17				T-4
Strike aircraft				Experimental aircraft T-4