The X-47B successfully conducted the first ever Autonomous Aerial Refueling (AAR) of an unmanned aircraft April 22, completing the final test objective under .br The Navy plans to perform an aerial refueling for the first time on its carrier-launched demonstrator drone aircraft, the X-47B, within the next few weeks, service .br The Navy X47B UCAV Drone completes first ever autonomous aerial refueling ▻The X-47B successfully completed the first autonomous flight refueling (AAR) of .br The U.S. Navys X-47B unmanned combat air vehicle (UCAV) made aviation history by completing the first ever Autonomous Aerial Refueling (AAR) of an .