Source: Cointelegraph.com NewsHe says crewed missions will begin within 4-6 years depending on whether certain economic and technological challenges can be overcome.Read MoreElon Musk, SpaceX, cryptocurrency, blockchain, Mars, technology
Source: Cointelegraph.com NewsHe says crewed missions will begin within 4-6 years depending on whether certain economic and technological challenges can be overcome.Read MoreElon Musk, SpaceX, cryptocurrency, blockchain, Mars, technology