US defense officials are calling recent sightings of Russian bombers off the Alaskan coast "nothing out of the ordinary" -- itself an indication that both nations are toeing the line between routine military posturing and escalating provocation.
원문출처 : http://www.cnn.com/2017/04/21/politics/russian-bombers-tensions-trump/index.html
원문출처 : http://www.cnn.com/2017/04/21/politics/russian-bombers-tensions-trump/index.html