New Horizons missions managers including New Horizons principal investigator Alan Stern of the Southwest Research Institute (SwRI), Boulder, CO, behind door, wait for a signal from the spacecraft that it is healthy and collected data during the flyby of Ultima Thule, Tuesday, Jan. 1, 2019 at the Mission Operations Center of the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Bill Ingalls)