Flight veteran embraces NASA's science wing.
D018480:Astronauts; D001256:Astronomy / Q000639:trends; D049673:History, 20th Century; D049674:History, 21st Century; D012106:Research / Q000458:organization & administration / Q000639:trends; D012371:Robotics / Q000639:trends; D013026:Space Flight / Q000639:trends; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000458:organization & administration*