This week NASA has revealed that their crewed mission to Mars timeline has been set. After an uncrewed Orion capsule (Exploration Flight Test-1 (EFT-1)) was tested successfully in December of 2014, two more test flights have begun setup: Exploration Missions 1 and 2 (EM-1 and EM-2). As NASA Administrator Charles Bolden said of the first of several test missions, “[Orion is] a huge step for NASA and a really critical part of our work to pioneer deep space on our Journey to Mars.” With NASA’s Space Launch System (SLS) rocket, EM-1 will take off first without a human crew, and EM-2 will head to mars inside the next 8 years, by the year 2023.
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https://www.slashgear.com/nasa-countdown-to-mars-begins-8-years-left-21405639/