A warehouse in the clouds? Walmart thinks it's possible

Walmart Stores has opened a new front in its battle with Amazon.com. The world’s largest retailer has applied for a US patent for a floating warehouse that could make deliveries via drones, which would bring products from the aircraft down to shoppers’ homes.

The blimp-style machine would fly at heights between 500 feet and 1,000 feet (as much as 305 meters), contain multiple launching bays, and be operated autonomously or by a remote human pilot. Amazon was granted a patent for a similar vessel in April 2016. The.

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