US forces in Syria have increased surveillance of Russian troop locations following Moscow's suggestion that US troops could get caught in Russian military operations, according to a US official directly familiar with US military planning.
원문출처 : http://www.cnn.com/2017/09/24/politics/us-boosts-surveillance-russia-syria/index.html
원문출처 : http://www.cnn.com/2017/09/24/politics/us-boosts-surveillance-russia-syria/index.html