 In 2013 a Star 48GXV was tested for the "Solar Probe Plus" mission (which later was renamed to the "Parker Solar Probe").A Star 48BV was used in conjunction with a Delta IV Heavy for the "Parker Solar Probe" launch in 2018.A Star 48 motor used in the 3rd stage of the "New Horizons" probe was the first part of the "New Horizons" mission to reach Jupiter, arriving before the probe.