190726-M-RM278-0004 MARINE CORPS AIR STATION KANEOHE BAY, Hawaii (July 26, 2019) NASA and Northrop Grumman employees work on the Northrop Grumman RQ-4 Global Hawk unmanned aerial vehicle at Marine Corps Air Station Kaneohe Bay, July 26, 2019. NASA and Northrop Grumman will be working on the Global Hawk at Marine Corps Base Hawaii to test its flight capabilities. (U.S. Marine Corps photo by Pfc. Jose Angeles/Released)