Drones on Mars?

JT-5 autogyro 

How Helicopters Could Fly On Mars | Video
[Via SPACE.com]

The gravity and atmosphere of the Red Planet are far different than that of Earth. Helicopter design would have to be altered – NASA Jet Propulsion Laboratory Bob Balaram explains the challenges.

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Well, copters really. The low atmospheric density makes getting lift a little harder.

I wonder about a jumper, using some cheap thrust to send it up above the ground, coupled with some sort of autogyro to provide some control as it returned to the surface.