( CNN) A Russian Su-3 0competitor jet made an “harmful” obstruct of a United States P-8A Poseidon airplane Saturday while it was flying over the Black Sea, the Pentagon informed CNN Monday.

TheRussian jet's activities were considered harmful given the fact that the airplane went across before the United States aircraft from right to left while involving its afterburners, compeling the P-8 to enter its plane clean, an activity that triggered the United States aircraft to experience “a 15 – level roll as well as fierce disturbance, ” according toBaldanza

Baldanzaincluded that the Russian competitor plane came as close as 50 feet from the United States airplane.