NASA Needs Backup Plan To Maintain U.S. Presence at Space Station, Watchdog Says
The Government Accountability Office released a report warning NASA that further delays in the space agency's commercial crew program could keep American astronauts from reaching the space station.
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at July 12, 2018 at 04:22PM
Health & Science
Thứ Năm, 12 tháng 7, 2018
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