So what we are doing is relying on commercial capability to get us access to low Earth orbit, to get us to the International Space Station.

所以我们所要做的就是依靠商业功能让我们进入低地球轨道，让我们进入国际空间站。

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This altered the propagation of GPS signals and slowed the rate of decay of space debris in low Earth orbit.

这样就改变了GPS信号的传播，减小了地球底层轨道上空间碎块的衰减速度。

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Space Fence will provide continuous, net-centric space situational awareness by detecting smaller objects in low and medium earth orbit.

太空护栏将通过探测中低地球轨道的小型目标提供持续的网络中心态势感知。

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And Richard Branson is planning to take tourists on jaunts into low-orbit space via Virgin Galactic.

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