to be"astronaut-like," according to Bell, with a requirement that they have a degree in one of the STEM fields, as well as professional experience in their chosen field, piloting experience or military training. They also had to pass the same physical and psychological testing asHaston, a research scientist studying human disease, is the mission's commander. Brockwell, a structural engineer, is the crew's flight engineer.
Selariu was originally selected to be a backup crew member, but replaced Alyssa Shannon, an advanced practice nurse, prior to the mission starting. NASA did not provide an explanation for the change. Haston, Brockwell, Jones and Selariu will not only have to survive living together for more than a year, but also adjust to some of the same changes that aInside Mars Dune Alpha, a 3D-printed mock Mars base at NASA's Johnson Space Center in Houston.
"What CHAPEA is really about is Mars-realistic conditions in terms of resource restrictions, so isolation confined with the living space being one of them," said Bell."But we're also restricting the crew to a spaceflight food system, time delayed communications, mission-relevant timelines, contingency situations and other resource restrictions."
A mission control and safety console will be staffed at all times, but messages from Mars Dune Alpha will take 22 minutes to be received, the same time it would take for a call from Mars to reach
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