Sukhoi Su-30 four-day Russian-Armenian intergovernmental commission on bilateral military-technical cooperation. In February 2016, Russia and Belarus concluded a preliminary agreement that would see the export of an undisclosed number of Su-30s to Belarus. Iran's defense minister announced in February 2016 that the country intends to buy an undisclosed number of the Su-30SM fighters. Sukhoi Su-30 The Sukhoi Su-30 (; NATO reporting name: Flanker-C) is a twin-engine, two-seat supermaneuverable fighter aircraft developed by Russia's Sukhoi Aviation Corporation. It is a multirole fighter for all-weather, air-to-air and air-to-surface deep interdiction missions. The Su-30 started out as an internal development project in the Sukhoi Su-27
Sukhoi-Gulfstream S-21 speeds. As of 2012, the project had not received any funding for the 2013-2025 development period and appeared to be cancelled. Sukhoi-Gulfstream S-21 Sukhoi-Gulfstream S-21 was a projected Russian-American supersonic business jet. In the early 1990s, Gulfstream Aerospace and the Sukhoi Design Bureau began a joint effort to develop a supersonic small business jet, code named the S-21. Due to questionable market demand for commercial supersonic air travel, commitment to the project weakened and delays mounted. Gulfstream eventually dissolved the partnership, although Sukhoi continued work on the S-21. The S-21 would be capable of sustained cruise at Mach 2+ and