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  • 7 usd bn mars rocket set for 2018 debut nasa

    7 USD bn Mars rocket set for 2018 debut: NASA

    World | Aug 28, 2014, 12:03 PM IST

    Washington: The National Aeronautics and Space Administration (NASA) has announced to launch its $7 billion Space Launch System (SLS) - the heavy-lift, exploration class rocket under development to take humans beyond earth and eventually to