Russian satellites have been exhibiting the "unusual and disturbing behavior" of following a US satellite in orbit, according to the commander of the Space Force, the newest military service.
원문출처 : https://www.cnn.com/2020/02/10/politics/russian-satellites-following-american-satellites-space-force/index.html
원문출처 : https://www.cnn.com/2020/02/10/politics/russian-satellites-following-american-satellites-space-force/index.html