Sukhoi Su-27 applicable air weapons. The aircraft’s cockpit has multifunctional displays. The Su-30 is a two-seat multi-role version developed from the "Su-27UBK" and was designed for export and evolved into two main variants. The export variant for China, the "SU-30MKK" ('Flanker-G') which first flew in 1999. The other variant developed as the export version for India, the "Su-30MKI" ('Flanker-H') was delivered in 2002 and has at least five other configurations. The Su-33 is the Russian Navy version of the Soviet "Su-27K" which was re-designated by the Sukhoi Design Bureau after 1991. (Both have the NATO designation 'Flanker-D') The Su-34 is the Russian
Sukhoi Su-17 Sukhoi Su-17 The Sukhoi Su-17 (NATO reporting name: Fitter) is a Soviet variable-sweep wing fighter-bomber developed from the Sukhoi Su-7. It enjoyed a long career in Soviet, later Russian, service and was widely exported to Eastern Bloc, Arab air forces, Angola and Peru as the Su-20 and Su-22. It is the first variable-sweep wing of Russian/Soviet origin. Seeking to improve low-speed and take-off/landing performance of the Su-7B fighter-bomber, in 1963 the Sukhoi OKB with input from TsAGI created a variable-sweep wing technology demonstrator. The Su-7IG (internal designation S-22I, NATO designation "Fitter-B"), converted from a production Su-7BM, had fixed inner portions