Defense officials have revealed to CNN details about the hypersonic missile President Donald Trump has long touted as a "super duper" new military weapon -- part of a major effort to catch up to Russian and Chinese hypersonic weapons programs.
원문출처 : https://www.cnn.com/2020/07/16/politics/pentagon-hypersonic-missile/index.html
원문출처 : https://www.cnn.com/2020/07/16/politics/pentagon-hypersonic-missile/index.html