As described in the National control center of defense, to intercept targets flew a fighter jet from part of the duty air defense forces of the southern military district.
the Russian aircraft approached to a safe distance to air targets and identified them as a strategic reconnaissance aircraft RC-135 of the U.S. air force and the plane of base patrol aircraft P-8A Poseidon of the U.S. Navy.
After the reconnaissance aircraft changed course and began to move away from the Russian border, the su-27 has returned to the home airfield.
Flight of the Russian plane took place in accordance with international rules of airspace use.