The Su-30SM fighter is the most advanced variant of the Su-30, has been put into operation in many air forces, and this version is also continuously being modernized. Currently, Su-30SM2 is still being produced by Russia, this is a version with very strong tactical features. The Su-27, the predecessor to the Su-30, inherited by Belarus upon the dissolution of the Soviet Union in 1991, these aircraft are in service with two squadrons of modernized MiG-29 fighters.