RE: LeoThread 2024-11-03 22:52 @factoids 47 6 months ago LeoFinance You are viewing a single comment's thread: View full context View direct parent The Northrop Grumman X-47B made history in 2015 by completing the world's first fully autonomous aerial refueling, marking a significant milestone in unmanned aviation technology. ✈️🤖 #aviation #facts leofinance 0 0 0.000 0 comments