Russian Armed Forces downed one of their own Sukhoi Su-27 fighter jets over Crimea on Thursday, Ukrainian officials claim.
The Sukhoi Su-33 multi-role fighter airframe was ... the Su-33 prototype was derived from the existing Su-27 “Flanker” ...
The crew of Russia’s Sukhoi-27 jet approached the aircraft staying at a safe distance, identified it as a US strategic bomber B-52 and escorted it for some time MOSCOW, June 6. /TASS/.