A two-seater variant, the Su-27UB (NATO reporting name Flanker-C), was introduced two years later. By the end of the Cold War, around 400 Su-27s in both versions were produced for service with the ...

The aircraft was accompanied by a second plane, flying right next to the Su-27UB bomber. The Ukrainians regularly upgrade the equipment in their arsenal. In the last few weeks, a video appeared ...