YEREVAN. – It is absolutely clear that Russia will supply S-400 air defense systems to China, Deputy Director of Russia's Institute of Political and Military Analysis, Alexander Khramchikhin told Armenian News- NEWS.am.

“I do not know, what happens next. However, joint drills with anti-ballistic missile systems have already been conducted,” Khramchikhin said, adding that these exercises are targeted at the possible U.S aggression, and came up because of crisis on the Korean peninsula.

Earlier the official representative of China's Ministry of Defense, Wu Qian, said China and Russia would strengthen their cooperation in air defense.