The 4G mission is set to launch from Cape Canaveral in the United States on a space X Falcon 9 rocket in 2019.

4G 任务将于2019年从美国卡纳维拉尔角发射，搭载的是 space X 猎鹰9号火箭。

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Keeping the X-37 in orbit will provide us with additional experimentation opportunities and allow us to extract the maximum value out of the mission.

在轨x - 37空天飞机将为我们提供更多的试验机会，让我们在任务中获取最大价值。

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Designed as a scalable, multi-mission radar system, AMDR is comprised of an X-band, S-band and radar Suite Controller (RSC).

AMDR的设计为一个可扩展多任务雷达系统，是由一个X波段、S波段和雷达套件控制器(RSC)组成的。

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This is how Nasa launched its most recent mission in June - the Nustar X-ray Observatory.

BBC: Science & Environment

The NuSTAR mission will cost about one-tenth as much as previous orbital X-ray observatories.

WSJ: NASA NuStar Telescope to Hunt for Black Holes