Amazon Prime Air would use unmanned flying vehicles for delivering packages . Cummings said drones the size of the octocopters have a battery life of about 30 minutes , and the weight of their cargo could make that even shorter . CEO Steve Bezos says drone ##s are at least a few years away . Drone expert certification approval will be easier outside the United States . Health , safety and battery issues all will have to be addressed .
Amazon Prime Air would use unmanned flying vehicles for delivering packages . CEO Steve Bezos says drone ##s are at least a few years away . Drone expert certification approval will be easier outside the United States . Health , safety and battery issues all will have to be addressed .