The company is using its drone fleet to transport blood, medicine and supplies in southern Africa. This has apparently reduced the delivery time of blood and medicine from four hours to as little as 15 minutes, according to Rwandan officials. The project has received funding and operational support from U.S. shipping company, United Parcel Service, while Bill & Melinda Gates’ organization, Gavi – which provides vaccines to the world’s poorest countries – is also a partner.