NASA @NASA
Drone traffic overhead!🚦@NASAaero researchers flight tested these tiny aerial vehicles over Reno, Nevada in June. Why? With growing interest by commercial companies, we'll need a system to make sure drones are flown safely and to manage traffic. More: https://t.co/BeMt2gTSVC https://t.co/9cxw9HB4FT — PolitiTweet.org