Revealed: The U.S. Air Force Wants Drones that Can Refuel Other Drones in Midair

The U.S. Air Force wants drones that can be refueled in midair by other drones. The reason is simple. While drones like the RQ-4 Global Hawk can stay in the air for more than thirty hours without getting tired, bored or feeling the urge to urinate, even an unmanned aircraft needs to refuel sooner or later. That means the drone must interrupt its mission to return to base, or a manned tanker aircraft will have to fly to where the drone is to refuel it.

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