This people-moving drone has completed more than 1,000 test flights

Ehang's CEO, Hu Huazhi, says these passenger drones will first focus on carrying wealthy customers to establish a customer base (making it much like Elon Musk's strategy for Tesla). Then, ideally, economies of scale would democratize passenger drones, so everyone else can take to the sky. That, at least, is the futuristic vision. Peter Warren Singer is a strategist and senior fellow at the New America Foundation. He has been named by Defense News as one of the 100 most influential people in defense issues.