Impacts it a lot, but there are teams working on it: http://www.space.com/30155-nasa-drones-on-mars-video.html http://www.space.com/30155-nasa-drones-on-mars-vi

Impacts it a lot, but there are teams working on it: http://www.space.com/30155-nasa-drones-on-mars-video.html http://www.space.com/30155-nasa-drones-on-mars-video.html