https://blog.wongcw.com/2018/12/13/%e7%b6%ad%e7%8f%8d%e9%8a%80%e6%b2%b3spaceshiptwo%e9%9b%99%e9%ab%94%e6%a9%9f%e5%b0%87%e6%96%bc%e6%9c%ac%e9%80%b1%e9%80%b2%e8%a1%8c%e7%ac%ac%e5%9b%9b%e6%ac%a1%e8%a9%a6%e9%a3%9b/
維珍銀河SpaceShipTwo雙體機將於本週進行第四次試飛