PATUXENT RIVER, Md. (NNS) -- The X-47B successfully conducted the first ever Autonomous Aerial Refueling (AAR) of an unmanned aircraft April 22, .
PATUXENT RIVER, Md. (NNS) -- The X-47B successfully conducted the first ever Autonomous Aerial Refueling (AAR) of an unmanned aircraft April 22, .
Daily Military Defense & War Archive.
Source: April 23, 2015 - Washington (CNN)The latest version of unmanned naval aerial combat vehicles achieved another first on .
