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 ...

With $10 billion in development costs, the Global Hawk UAV has been an expensive proposition for the US Air Force over the course of its 15-year life. The huge UAV – its wingspan is nearly 30 ...

Watch The RQ-4 Global Hawk: The Largest, Most Advanced, and Most Expensive UAV Ever Built on Interesting Engineering. Explore the latest in technology!

One of the most famous models is also one of the best: the Northrop Grumman RQ-4 Global Hawk. The Global Hawk is used as a high-altitude long-endurance (HALE) platform and can stay airborne at ...

Before flying to the Black Sea, the RQ-4B Global Hawk took off from its base in Fairford, England. After its chaotic ...