https://www.youtube.com/watch?v=rIRwsOG_AYQ
X-47B First Autonomous Drone Aerial Refueling

Navy Conducts First Aerial Refueling of X-47B Carrier-Launched Drone
by Kris Osborn on April 22, 2015
http://defensetech.org/2015/04/22/navy-conducts-first-aerial-refueling-of-x-47b-carrier-launched-drone/

X-47B 完成首次空中加油
Apr 23rd 2015 11:01PM
http://chinese.engadget.com/2015/04/23/x-47b-completed-first-aerial-refueling/


美國海軍X-47B無人作戰飛機技術驗證機的第2架機（昵稱“鹽狗502”）成功完成歷史上首次無人機自主空中加油對接測試




美海軍X-47B無人機完成史上首次自主空中加油對接
http://big5.cri.cn/gate/big5/gb.cri.cn/42071/2015/04/17/782s4935573.htm