There are concerns that Russia had developed the weapons technology for a "killer satellite" that could target satellites belonging to the United States or its partners. https://t.co/BlRJYq6C7s— ABC News Politics (@ABCPolitics) 2020年7月25日 宇宙での軍拡競争懸念 アメリカがロシアと7年ぶりに協議へ #n…
