The Network Operations Control Center or mission control at NASAs Jet Propulsion Laboratory JPL in Pasadena California JPL runs NASAs planetary exploration programme it is from this room that the Viking mission to Mars the Voyager mission to Jupiter Saturn Uranus Neptune other missions are controlled The photograph was taken during Voyager s encounter with Neptune in August A crescent Neptune is displayed on the screen at top left The surface of Triton Neptunes large moon is on the colour screen at top centre