When President Donald Trump signed the National Defense Authorization Act into law Friday, he also created the newest military service and the first new service since the US Air Force came into being in 1947.
원문출처 : https://www.cnn.com/2019/12/20/politics/trump-creates-space-force/index.html
원문출처 : https://www.cnn.com/2019/12/20/politics/trump-creates-space-force/index.html