This July 8, 2015 image provided by NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute shows Pluto, right, and its moon, Charon, from the New Horizons’ Long Range Reconnaissance Imager (LORRI) combined with lower-resolution color information from the spacecraft's Ralph instrument. (NASA/JHUAPL/SWRI via AP)

Close-up Images of Pluto

NASA is prepared for one of the biggest payoffs in the agency’s storied history.