New Horizons Ultima Thule Flyby Associate Administrator for NASA's Science Mission Directorate Thomas Zurbuchen is seen during a New Horizons briefing, Monday, Dec. 31, 2018 at Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland.

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Keywords: applied, bill, hopkins, horizons, ingalls, johns, laboratory, laurel, md, nasa, physics, thomas, university, usa, zurbuchen