June 25, 2021

Live coverage of Delta 4 countdown and launch


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Live coverage of the United Launch Alliance Delta 4 rocket flight with the Wideband Global SATCOM 8 satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.


(Launch webcast begins at 6:33 p.m. EST / 2333 GMT)


If you would like to see more articles like this please support our coverage of the space program by becoming a Spaceflight Now Member. If everyone who enjoys our website helps fund it, we can expand and improve our coverage further.
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