Two separate close encounters between the Russian and U.S. militaries in recent days have left many wondering if future incidents could result in an armed clash.
원문출처 : http://edition.cnn.com/2016/04/18/politics/russia-jets-buzz-u-s-ship-rules-of-engagement/index.html?eref=edition
원문출처 : http://edition.cnn.com/2016/04/18/politics/russia-jets-buzz-u-s-ship-rules-of-engagement/index.html?eref=edition