And bumble forward lazily: The Air Mule has long been in the works. In 2007, Popular Science wrote about an early version of the concept: Autonomous flight adds greater ability to this sky-ambulance. Designed to carry almost 1,000 pounds, the Air Mule is designed for a top speed of 60 mph, and unladen a maximum range of 430 miles. Built around ducted fans, it takes off and lands vertically. Watch it below: [Via Army Recognition]
