MOSCOW, August 21. /TASS/. Large-scale air defense and aviation exercises will be held in Russia’s Southern Military District in early September, the district’s press service said on Friday.

"The Southern Military District is completing preparations for a major air defense and aviation drills with missile launches to be held in early September," the press service said.

S-300, Buk-M1, Strela-10, Tor, Igla and Osa missile systems will be involved in the drills.