The U.S. Air Force’s next GPS navigation satellite has been closed up inside the payload fairing of its Delta 4 launcher ahead a liftoff from Cape Canaveral scheduled for July 25.
Ground crews finished the initial build-up of the last “single stick” medium-lift variant of United Launch Alliance’s Delta 4 rocket on its launch pad at Cape Canaveral last week in preparation for liftoff with a GPS navigation satellite July 25.