The Northrop Grumman RQ-4 Global Hawk is an unmanned aerial vehicle (UAV) designed for long-range, high-altitude surveillance missions. It is capable of flying at altitudes up to 65,000 feet for more than 34 hours at a time, providing
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The Northrop Grumman RQ-4 Global Hawk is a high-altitude, remotely-piloted surveillance aircraft introduced in 2001. It was initially designed by Ryan Aeronautical, and known as Tier II+ during development. The RQ-4 provides a broad overview and systematic surveillance using high-resolution synthetic aperture radar (SAR) and electro-optical/infrared (EO/IR) sensors with long loiter times over target areas.