That's a good link PU.
Problem with these discussions is that the public (and politicians sometimes) tend to look at these things from a historical perspective... a small improvement based on the previous platform.
But look at this link... all stuff in the public domain... and that's 9yrs ago... think where they might be now! Something that doesn't risk a crew yet can cover 40,000 sq miles in one 24hr flight.
www.spacedaily.com/news/uav-02u.html
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