title: Thinking about NASA's future.
authors.forename: Michael
authors.initials: M
authors.lastname: Barratt
authors.forename: Andrea
authors.initials: A
authors.lastname: Hanson
authors.forename: Jeffrey
authors.initials: J
authors.lastname: Plescia
mesh_terms: D001690:Biological Science Disciplines; D035843:Biomedical Research; D006801:Humans; D013026:Space Flight; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000639:trends; D014893:Weightlessness