Sukhoi Su-30 supersonic multirole fighter.
Mach 1+ at sea level, 2+ at altitude.
Two seat version of the Su-27, to complement the single seat MiG-29. Quad Panthers give it performance similar to the F-15. Highly maneuverable at all altitudes, AG-2 toggles gimbals for extra control. Leave them off for high mach high altitude flight.
Built in KSP 1.4