We remember hearing something in the 1990s about SDI (or "Star Wars") actually being a tool to fight UFOs, and that places like Area 51 contained vast underground bases positively teeming with ETs. We didn't think much of it then, and neither do we now -- although this request for information posted over on the FBO website has given us pause. The query is officially for info regarding "robotic underground munition technology," meaning that Defense Threat Reduction Agency would really, really like to get its hands on an autonomous bunker-busting robot capable of being dropped on a target and digging into (and then blowin