28 avril 2015
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photo US Navy
23 avr. 2015 by US Navy
PATUXENT RIVER, Md. (April 22, 2015) The X-47B successfully conducted the first ever Autonomous Aerial Refueling (AAR) of an unmanned aircraft April 22, completing the final test objective under the Navy's Unmanned Combat Air System demonstration program. (U.S. Navy video/Released)
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