steemitboard (66)in #drones • 4 years agoRE: The history of dronesCongratulations @shadowmax! You received a personal award! Birthday! - You are on the Steem blockchain for 2…steemitboard (66)in #drones • 5 years agoRE: The history of dronesCongratulations @shadowmax! You received a personal award! Year on Steemit Click here to view your Board…cheetah (77)in #drones • 6 years agoRE: The history of dronesHi! I am a robot. I just upvoted you! I found similar content that readers might be interested in: