![]() Others, such as Uber and Postmates, are developing drones that can deliver restaurant or grocery orders directly to customers. In the last few years, however, companies such as Amazon and Google have begun developing aerial drones intended for use in both consumer package delivery and high-priority logistics and freight deliveries, such as quickly moving supplies between medical facilities. Delivery and logisticsįor much of their history, drones have primarily been used for military, law enforcement, and media purposes. ![]() Depending on the size and operating speed, terrestrial drones may operate on sidewalks, in bike lanes, or in the road. ![]() Terrestrial drones, meanwhile, can more easily carry heavier payloads and often take up less space, usually at the cost of a lower operating speed and a shorter operational range. Terrestrial drones are also commonly referred to as sidewalk delivery robots or personal delivery devices (PDDs). Aerial drones are generally faster, but often have a more limited payload than terrestrial drones while also typically requiring more space for takeoff and landing and are subjec to FAA approval. ![]() Both types have similar operational histories, with some of the earliest aerial drones developed during the first World War, and some of the earliest models of terrestrial drones followed shortly thereafter. Aerial and terrestrial drones are the two primary drone types in operation today. ![]()
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