Tech She beat bone cancer. Next up for the hospital worker? Become the youngest American in space. February 22, 2021Max Garland, Memphis Commercial AppealComments Off on She beat bone cancer. Next up for the hospital worker? Become the youngest American in space. Hayley Arceneaux, a former St. Jude Children's Research Hospital patient now working there, will be on SpaceX's all-civilian mission to space.