September 22, 2019
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Live coverage: Tonight’s Delta 4 countdown and launch journal

August 17, 2016 Justin Ray

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(Launch webcast begins at 12:27 a.m. EDT)

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Live coverage of the United Launch Alliance Delta 4 rocket flight with two GSSAP space situational awareness satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

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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