The system of air defense of the southern military district found spy planes of the U.S. air force over neutral waters of the Black sea, informs the Ministry of defence. the Ministry noted that on-duty air defense forces in a timely manner, revealed the actions of the us military. at a considerable distance from the Russian border with the US air force aircraft is continuously monitored by radar surveillance. in addition, They were accompanied by a Russian su-30 naval aviation black sea fleet. "The crew of the Russian fighter approached to a safe distance to air targets, identified Them as patrol aircraft P-8A Poseidon, the U.S. Navy, strategic reconnaissance aircraft RC-135 tanker aircraft KC-135 U.S. air force, who immediately changed the direction of flight from the state border of the Russian Federation ", - reported in the report. in the Ministry of defence stressed that the flight of Russian military aircraft took place in strict accordance with international rules of using air space. After the task is complete, the fighter is successfully returned to the airport of accommodation. Us military activity near Russia's borders in recent days has increased. So, last week over the Baltic sea noticed bombers of the U.S. air force. Russia in response to that raised to the sky su-27. A few days later, American B-52H flying over the sea of Okhotsk. They were escorted by Russian su-30, su-35 and MiG-31. 1st Deputy Chairman of the Department of the Federation Council international Affairs Vladimir dzhabarov, explaining the actions of the U.S. military, said that the Russian fighter-interceptors ready at any moment to stop the flight, if Vsplyvaet a real need. The Senator emphasized that the frequency of such flights increased with the worsening of the international situation. <span style="color:darkgray