Air force and air defense units of the armed forces of Armenia, Belarus, Kyrgyzstan, Russia and Tajikistan are participating in joint exercise at one of Russia’s ranges.

The units gathered for Combat Commonwealth tactical exercise to work out joint activities during antiterrorist operations in the border armed conflicts.

Russian Defence Minister Anatoly Serdyukov and defense ministers of the CIS states, as well as foreign military experts from Algeria, India, Indonesia, Malaysia and Syria have arrived at Ashuluk range to be present at the exercise, Interfax- Military news Agency reports.

New generation anti-aircraft S-400 weapon system is for the first time used during the exercise.