Sukhoi bureau designed a two-seat armored ground-attack aircraft, the Sukhoi Su-6, considered in some terms to be superior to its competitor, the Ilyushin Il-2. The government however later chose the Il-2 over the Su-6, but rewarded Sukhoi a Stalin Prize of the 1st Level for its development in 1943. Sukhoi and this team later focused on development of variants of the Su-2, the prototype cannon-armed Sukhoi Su-1 (Su-3) fighter, as well as the Sukhoi Su-8, which to serve as a long-range ground-attack aircraft for the Soviet Air Forces, but was later discarded as the Soviet Union was winning the Eastern Front.
Sukhoi Superjet 100 PD-14 engine could be developed; and Russian inertial navigation system and APU could replace Honeywell's; the landing gear produced by Safran would also need to be replaced. Russian content should double to 30% as US restrictions limit its export potential. Sukhoi forecasts 345 sales from 2018 to 2030, mostly in post-Soviet states and some in south-east Asia and Latin America, including an improved range business jet version. Sukhoi expects to produce 30 SSJs in 2018, as in 2017. The seating capacity is to be raised to 110, and hot and high operations to 4000 m and 50°C. A freighter variant