To reduce the risk radiation may pose, Orion has three redundant computers onboard. Lemke noted that the chances of all three computers being knocked out, even momentarily, by radiation is one in 1,870,000 missions.
NASA has planned a second uncrewed test flight for Orion in 2018 and a crewed mission to fly around the moon in the 2020s. The space agency hopes to send astronauts to Mars in the 2030s.
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