The Sukhoi Su-34 (NATO codename "Defender") is Russia's latest fighter-bomber developed from the T10KM-2 prototype. It serves in the Russian Air Force and Navy. It is planned that the aircraft will gradually replace the old Su-24M. "Fencer" tactical bomber and Su-25 "Frogfoot" attack aircraft.
Compared with the original Su-27/30 series, the Su-34 has a larger fuselage with a longer tail vertebra, a newly designed larger nose, and a side-by-side cockpit, with a pair Similar to the canards of the Su-33 "Sea Flanker". The relationship between the Defender and the Flanker is somewhat similar to the American F/A-18 Hornet and the F/A-18E/F Super Hornet - you can clearly see it is related to the prototype relationship, but actually, for the prototype, it was a completely new design of the aircraft.
Su-34 can carry two auxiliary fuel tanks under the wings, and its maximum range reaches 4000 kilometers! At the same time, the aircraft can also use all the latest Russian guided / unguided air-to-surface weapons.