Video: DSCOVR prepared for launch

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.

SpaceX’s Falcon 9 rocket took off from Cape Canaveral on its 15th flight just before sunset Wednesday, putting on a spectacular sky show en route to space with a NOAA satellite to measure the solar wind.

Follow the key events of the Falcon 9 rocket’s ascent into space from Cape Canaveral with NOAA’s Deep Space Climate Observatory.