ISIS is suspected of firing a shell with mustard agent that landed at the Qayarrah air base in Iraq Tuesday where US and Iraqi troops are operating, according to several US officials.
원문출처 : http://www.cnn.com/2016/09/21/politics/mustard-gas-us-troops/index.html
원문출처 : http://www.cnn.com/2016/09/21/politics/mustard-gas-us-troops/index.html