Elon Musk Expect's SpaceX's First Crewed Mission Between April and JuneCrew Dragon could live up to its name this spring.

Now that SpaceX has completedCrew Dragon's in-flight launch escape test, when can you expect a mission with humans aboard? At last, the company has a more specific answer than early 2020. Company chief Elon Musktold attendeesat a post-test conference that the crewed mission to the International Space Station will likely take place in the second quarter of the year, or sometime between April and June. SpaceX was "highly confident" the hardware would be ready in the first quarter, "most likely" in February.

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这是一个好主意带这样的估计a grain of salt. Schedules for spaceflight can slip with little warning (even this latest test was delayed by a day). And there's no denying that Musk's estimates are sometimes optimistic — just look at how long it took Falcon Heavy to translate from aconceptto anhonest-to-goodness launch. The escape demonstration was the last major test before the crewed flight, though, so there isn't as much of a chance of delays as there has beenin the past.

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