![](https://www.nasa.gov/sites/default/files/thumbnails/image/global_hawk_sunrise_testing.jpg)
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://ift.tt/2sX9zUG
沒有留言:
張貼留言