Zipline, a San Francisco-based startup, has partnered with the government of Rwanda to air-drop medical supplies to remote villages, truly a potential life-saver for many without immediate access to medicine or blood for transfusions. Several firms in America have promised delivery of consumer items using drones, with Flirtey’s quadrotor drone delivering “a package that included bottled water, emergency food and a first aid kit” to an uninhabited residential setting in Hawthorne, Nevada on April 7. Flirtey calls the flight “the first fully autonomous, FAA-approved urban drone delivery in the United States.” Another firm, Matternet, displayed its quadrotor delivery systems five years ago at the Green Flight Challenge Expo held at NASA Ames Research Center following the completion of the flying …