https://blog.wongcw.com/2018/12/20/space-x%e5%b0%87%e4%b8%89%e5%ba%a6%e5%98%97%e8%a9%a6%e7%99%bc%e5%b0%84%e5%83%b9%e5%80%bc5%e5%84%84%e7%be%8e%e5%85%83%e7%9a%84%e7%be%8e%e5%9c%8b%e8%a1%9b%e6%98%9f/
Space X將三度嘗試發射價值5億美元的美國衛星