Russian President Vladimir Putin has called for reinforcing his country's military nuclear potential in a speech during a Defense Ministry meeting in Moscow, asserting that Russian army's preparedness has considerably increased and urged for continued improvement as to ensure it can neutralize any military threat. He said they are monitoring any changes especially along Russian borders, and quickly adapt plans for neutralizing threats to our country.<br/><br/>Referring to use of Russian weapons in Syria, Mr. Putin said effective use of Russian weapons in the war region opens new possibilities for military-technical cooperation. <br/><br/>Defence Minister Sergei Shoigu said the military had used 162 types of modern armaments during the military campaign in Syria, including its Sukhoi warplanes and MiG and Kamov helicopters.