Northrop Grumman X-47B - Wikipediahttps://en.wikipedia.org/wiki/Northrop_Grumman_X-47B
2011 Northrop Grumman X-47B
X-47B Stealth Strike Fighter built for the U.S. Navy By Northrop Grumman - YouTubehttps://www.youtube.com/watch?v=TKaOGCIXr2A
2011 Northrop Grumman X-47B

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2011 Northrop Grumman X-47B
Northrop GrummanUnmanned aerial systems (UAS)