The su-27 flanker is a single-seat, twin-engine mach-2 class jet fighteroriginally manufactured by the soviet union, and designed by the sukhoi designbureau. It was intended as a direct competitor for the large united statesthree generation fighters, with 3,530-kilometre range, heavy armament,sophisticated avionics and high maneuverability. The su-27 most often flies airsuperiority missions, but is able to perform almost all combat operations. Complementing the smaller mig-29, the su-27's closest us counterpart is thef-15 eagle

Thereare several related developments of the su-27 design. The su-30 is a two-seat,dual-role fighter for all-weather, air-to-air and air-to-surface deepinterdiction missions