NASA Chief Technologist Douglas Terrier, left of center, meets with Dr. Ed Wilson, engineering professor emeritus and tours Wilson's atmospheric sciences laser lab during “NASA Day in Arkansas” at Harding University in Searcy, Arkansas, on Jan. 27, 2020.

NASA Chief Technologist Douglas Terrier, right, and NASA Deputy Chief Technologist David Steitz, left, investigate a rover developed at Harding University in Searcy, Arkansas, in partnership with NASA’s Jet Propulsion Laboratory in Silicon Valley, California, and the University of Arkansas-Little Rock while attending “NASA Day in Arkansas” hosted at the university on Jan. 27, 2020.

NASA Chief Technologist Douglas Terrier meets with members of the media at “NASA Day in Arkansas” at Harding University in Searcy, Arkansas, on Jan. 27, 2020.

NASA Chief Technologist Douglas Terrier, center, and NASA Deputy Chief Technologist David Steitz, left, talk with a Harding University student researcher about LED technology being used to track atmospheric composition, while attending “NASA Day in Arkansas” hosted at the university in Searcy, Arkansas on Jan. 27, 2020.

NASA Chief Technologist Douglas Terrier, right, being briefed on student-developed precision atmospheric laser technology mounted on a remotely-operated rover at Harding University in Searcy, Arkansas, while attending “NASA Day in Arkansas” hosted at the university on Jan. 27, 2020.

NASA Chief Technologist Douglas Terrier presents to grade school students about NASA’s Artemis Program -- which will send the first woman and the next man to surface of the Moon by 2024 -- at “NASA Day in Arkansas” at Harding University in Searcy, Arkansas, on Jan. 27, 2020.

NASA Chief Technologist Douglas Terrier meets with researchers conducting plant research relevant to space exploration during “NASA Day in Arkansas” at Harding University in Searcy, Arkansas, on Jan. 27, 2020.

NASA Chief Technologist Douglas Terrier, center, talk with a Harding University student about a miniaturized laser sample analysis device that may be used for planetary science research. Terrier attended “NASA Day in Arkansas,” hosted at the university in Searcy, Arkansas on Jan. 27, 2020.