A Feasible Idea for UAV Flight, Possible Research and Development Test; UAV Stealth and Radar Energy Capture for Power and Propulsion to drive your enemy crazy.
Powering a UAV, while being able to reuse it, increasing it's payload takes a lot of trial and error and engineering and research, which of course costs lots of money. Recently we saw the NASA announced flying a mini-model using lasers to power it.
http://www.msfc.nasa.gov/news
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