NASA As the Sun Rises, NASA's Global Hawk is Being Prepared for Flight

Hot summer days in Southern California’s Antelope Valley force many aircraft operations to start early in the morning before the sun rises. On a back ramp at Armstrong Flight Research Center on Edwards Air Force Base, a NASA Global Hawk goes through testing of its communication components and satellite connection links in preparation for flight. via NASA http://www.nasa.gov/centers/armstrong/features/global_hawk_prepared_for_flight.html