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-15 the Su-15 was abruptly retired from the new Russian Air Force in 1993 to comply with the Treaty on Conventional Armed Forces in Europe. Most were hastily scrapped in favour of more advanced interceptors, including the Su-27 and MiG-31, but some are in reserve storage for emergency use. In Ukraine, the last Su-15s (at Kramatorsk and Belbek) were withdrawn from use in 1996. Some Western reports indicate that the Su-15TM was also designated Su-21 and the Su-15UM Su-21U. These reports are apparently incorrect. Designation Su-21 was reserved for Su-17M4 but never used. Sukhoi Su-15 The Sukhoi Su-15 (NATO reporting name: