>> jenna: a russian fighter jet flying dangerously close in the black sea. it came a day before russian prime minister met with president trump. >> we thank him for making the trip to washington so we can continue our dialogue and our views that began in moscow. >> jenna: lucas is live at the pentagon with more. when we say dangerously close, how close are we talking about? >> that russian fighter jet came as close as 20 feet from the u.s. navy aircraft in the black sea on tuesday. moments ago, fox news has learned that fighter jet was armed with six surface air missiles under its wings. they told me the incident lasted about an hour and incurred a national airspace and the black sea not far from crimea. since that time, the u.s.