NASA begins critical final test on mega moon rocket - CGTN

NASA on Friday began a critical two-day test of its giant Space Launch System (SLS) rocket complete with a simulated countdown, as the agency gears up to send humans to the moon again.

NASA on Friday began a critical two-day-long test of its giant Space Launch System (SLS) rocket complete with a simulated countdown, as the agency gears up to send humans to the moon again. Known as… [+2922 chars]

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