NASA will retire its new mega-rocket if SpaceX or Blue Origin can safely launch its own powerful rockets
NASA is building the Space Launch System (SLS) to send astronauts back to the moon. But it will retire it if SpaceX and Blue Origin build big rockets.
[Source: www.businessinsider.com] [ Comments ] [See why this is trending]
[Source: www.businessinsider.com] [ Comments ] [See why this is trending]
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