Parker Solar Probe Prelaunch

President and Chief Executive Officer for United Launch Alliance Tory Bruno, left, and NASA Associate Administrator for the Science Mission Directorate Thomas Zurbuchen talk while viewing the top of the ULA Delta IV Heavy rocket with NASA's Parker Solar onboard, Friday, Aug. 10, 2018, Launch Complex 37 at Cape Canaveral Air Force Station, Florida. This is the first NASA mission that has been named for a living individual. Parker Solar Probe is humanity’s first-ever mission into a part of the Sun’s atmosphere called the corona. Here it will directly explore solar processes that are key to understanding and forecasting space weather events that can impact life on Earth. Photo Credit: (NASA/Bill Ingalls)