USAF fixed and deployable ground command and control systems.

美国空军固定和移动陆地指挥控制系统。

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The GOES N program series consists of three state-of-the-art imaging spacecraft and the supporting ground command and control elements.

GOES N计划系列包括三颗最新的成像卫星以及地面指挥控制装备。

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Assuming the systems keep operating, like I've said, we can command the vehicle from the ground and operate it fine, and remain on orbit indefinitely.

假定系统继续运行，我和所说的那样，我们可以很好地从地面指挥和操作飞船，使它无限期地留在轨道上。

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Engineers on the ground designed a way the astronauts could connect air-cleaning devices from the command module to the air system in the lunar module.

VOA: special.2009.07.22

Even when presented with the option to cease philosophizing, he refuses to do so on the ground that, again, he is acting under a command, divine command and cannot do otherwise.

就算他,可以选择停止哲思，但他拒绝那么做，理由是他已接受指示，神性指示，所以别无选择。

耶鲁公开课 - 政治哲学导论课程节选

The ISS has suffered a series of glitches since Tuesday that left ground controllers with only tentative command.

CNN: Space tourist feels 'great' in orbit

Or how do you foresee that, alas, it may not work if the general in command on the ground has to go through both the United Nations in New York and the African Union in Addis Ababa?

NPR: Ex-U.N. Commander in Rwanda Sends Warning

He also promoted the once-heretical idea of using mobile ground forces and a streamlined chain of command to "get inside the enemy's decision cycle" and hasten its collapse.

FORBES: Magazine Article