Unidentified "thingies" in the sky may become more common... but they're not UFOs, they're UAVs (Unmanned Aerial Vehicles). UAVs are being used
as a sort of "eyes in the sky" under certain circumstances, both here in the US and abroad.
Still highly controversial, there's no defnitive spotters guide to them that I know about. The following article gives some interesting
references.
story.news.yahoo.com.../space/20030813/sc_space/ufosvsuavshowtotellfriendfromfaux&e=1
