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Dr. Arne Croell of the University of Alabama in Huntsville was awarded NASA's Exceptional Scientific Achievement Medal on January 28 at the Marshall Space Flight Center. This award recognizes individuals for significant contributions to NASA's missions.

Croell's research focuses on materials for nuclear thermal propulsion (NTP), which involves using a solid-state nuclear reactor to heat hydrogen as propellant. He has also contributed to Spacelab and Spacehab missions and is preparing experiments for the International Space Station.