During the military exercise which started on Friday, seven countries of the Commonwealth of Independent States (CIS) will check the combat-readiness of the CIS joint air defense system, TASS reported.

Russia, Armenia, Belarus, Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan are participating in these exercises.

The aforesaid joint air defense system is managed from the Russian aerospace forces’ command center in Moscow.

"The aircraft crews will conduct mutual maneuvers in the airspace of the seven countries participating in the exercise," the administration added, in particular.