The RQ-4 Global Hawk is a high-altitude, long-endurance unmanned aircraft system with an integrated sensor suite that provides intelligence, surveillance and reconnaissance, or ISR, capability ...

In this photo, pilots prepare for the take-off of NASA Global Hawk 872 at 7:11 a.m. EDT, Sept. 5, from the NASA's Wallops Flight Facility, Virginia. Operating from the Global Hawk Operations ...