Live coverage of the countdown and launch of a Delta 4-Heavy rocket with the classified NROL-44 payload for the National Reconnaissance Office. Text updates will appear automatically below. Follow us on Twitter. United Launch Alliance’s live launch broadcast begins at 1:52 a.m. EDT (0552 GMT) Thursday, Aug. 27.
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Russia’s unpiloted Soyuz MS-14 spacecraft departed the International Space Station at 2:14 p.m. EDT (1814 GMT) and landed in Kazakhstan at 5:32 p.m. EDT (2132 GMT) Friday to conclude a nearly 16-day test flight. The spacecraft carried Russia’s Skybot F-850 robot back to Earth after completing a series of tests with Russian cosmonauts on the station.

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