The Sukhoi Su-34 (Fullback) is a Russian twin-engined, twin-seat strike fighter. Based on the Sukhoi Su-27 'Flanker', the two-seat Su-34 is designed primarily for tactical deployment against ground and naval targets on solo and group missions in daytime and at night, under favourable and adverse weather conditions and in a hostile environment with counter-fire and EW counter-measures deployed, as well as for aerial reconnaissance. | Military Leak