Hawaii is set to become the first state in the US to test an "attack- warning" system in the event of a North Korean nuclear missile strike.
원문출처 : http://www.cnn.com/2017/07/22/us/hawaii-nuclear-test-north-korea-attack/index.html
원문출처 : http://www.cnn.com/2017/07/22/us/hawaii-nuclear-test-north-korea-attack/index.html