Live coverage of the countdown and launch of a SpaceX Falcon 9 rocket from Cape Canaveral with the SES 9 communications satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
SpaceX’s live video coverage begins at 6:25 p.m. EST (2325 GMT).
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April 12 marks 60 years since Gagarin’s spaceflight, 40 years since shuttle debut
Sixty years ago Monday, a 27-year-old Russian test pilot named Yuri Gagarin strapped into a Vostok capsule in Central Asia and rode into orbit atop a launcher derived from a Soviet nuclear missile, becoming the first human to travel into the void of space. Twenty years later, in 1981, the era of reusable spacecraft dawned with the first launch of NASA’s space shuttle.