If Russia aimed a long range missile like the "Satan 2" it just tested or North Korea suddenly targeted the headquarters of the US nuclear arsenal, top commanders would have a small window to get to safety.
원문출처 : https://www.cnn.com/2018/03/30/politics/us-doomsday-plane-nuclear-war/index.html
원문출처 : https://www.cnn.com/2018/03/30/politics/us-doomsday-plane-nuclear-war/index.html