Secretary of the National Security Council under the Armenian President, Defense Minister Serge Sargsian met with Bulgarian Ambassador to Armenia Stefan Dimitrov and newly appointed military attache, lieutenant colonel Stoyko Barbov, Defense Ministry's press service reported. During the meeting Stefan Dimitrov expressed hope that the activities of the new attache will bring the Armenian-Bulgarian military cooperation to a new qualitative level. Congratulating Stoyko Barbov with the appointment Serge Sargsian noted the great potential of development of the Armenian-Bulgarian military cooperation. The parties also discussed the current tasks and prospects of bilateral relations and exchanged opinions on the problems of regional security.