i think this ucav would be a very good next time air unit.
http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Barracuda_av_dr.jpg/800px-Barracuda_av_dr.jpg
it's the european counterpart of the american x-45 and x-47

here's my tech icon (http://forums.civfanatics.com/showthread.php?t=205033) for units like the barracuda