The Su-27 was introduced to the Russian Airforce in 1984 and has countinued to serve in the Russian Airforce ever since
The Su-27 is one of the most advanced planes to come out of Russia. It is highly manuverable and was the first aircraft to preform Pugachev's Cobra manuver.
The Su-27 has a GSh-30 30mm cannon with 150 rounds stored. The Su-27 can carry up to 10 missiles.