The two-day official visit of secretary of Security Council of Armenia, defense minister Serge Sargsian to Moscow will begin September 30. In the Russian capital S.Sargsian will hold meetings with Russian defense minister Sergey Ivanov, on whose invitation the visit will take place, as well as with Russian supreme leadership. In the course of meetings questions of Armenian-Russian cooperation in the military and military-engineering spheres, as well as within the framework of the Treaty on Collective Security will be discussed.