They are only the most recent and advanced installments in a century-old history of unmanned warfare and surveillance from the skies. Click on the UAV icons below to learn more about the Predator ...

That's not to say the U-2's will be exclusively unmanned aircraft, but rather that the Air Force will have the option flying them either remotely or with an actual human at the controls. The cost ...

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 ...

North Korea is reportedly testing a large high-altitude unmanned reconnaissance aircraft modeled after the United States' Global Hawk (RQ-4), according to the North Korea-focused outlet NK News on ...

As of this January, U.S. Global Hawk drones have been spotted regularly ... adding that the utilization of these unmanned aircraft increased the depth of data gathering on the territory of Russia ...