Russia will upgrade Syria's air defense system after a series of statements over the past week chastising Israel for the downing of a Russian aircraft.
원문출처 : https://www.cnn.com/2018/09/25/middleeast/syria-defense-russia-israel-intl/index.html
원문출처 : https://www.cnn.com/2018/09/25/middleeast/syria-defense-russia-israel-intl/index.html