Virtual Reality Update

The US Army plans to use virtual worlds to make virtual humans indistinguishable from real humans:

http://gizmodo.com/5077240/us-army-to-push-x+files-tech-development-invade-world-of-warcraft

This article also lists several other projects of interest.

Robotics Update

The Army is developing pack robots designed to hunt down uncooperative humans:

http://www.newscientist.com/blogs/shortsharpscience/2008/10/packs-of-robots-will-hunt-down.html

Robotics Update

Vibration, solar and wind-powered, flying surveillance bat-like robot to be built for the US Army:

http://www.ecogeek.org/content/view/2137/85/