Beyond preparing for the next field of battle, or advancing a massive arsenal that includes nuclear weapons, the Pentagon has also researched the possible existence of UFOs.
원문출처 : http://www.cnn.com/2017/12/16/politics/pentagon-ufo-project/index.html
원문출처 : http://www.cnn.com/2017/12/16/politics/pentagon-ufo-project/index.html