The first launch of Falcon 9 could change the course of human space flight.

猎鹰9号的首次发射可能会改变人类太空飞行的进程。

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With nine engines on the first stage, Falcon 9 can reach orbit even if one or more fails.

猎鹰9号的第一级有9个引擎，即使一个或多个引擎故障，它仍然可以到达预定轨道。

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

4G 任务将于2019年在美国卡纳维拉尔角启动，搭载的是 SpaceX 猎鹰9号火箭。

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The flight will be scrubbed for at least three days if the company's 18-story Falcon 9 rocket and teardrop-shaped Dragon capsule aren't ready.

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He tells the broadcaster that the Ariane 5 rocket stands "no chance" in the face of the Falcon 9 and Falcon Heavy systems from his own SpaceX outfit, as it's more expensive to use -- and the contrast will only get worse when a cheaper, next-generation Falcon 9 arrives, he says.

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Blasting off from Florida's Cape Canaveral into overcast skies following a flawless morning countdown, the 157-foot Falcon 9 rocket's engines performed as expected.

WSJ: Drama Swirls Around SpaceX Launch