Zitat:
Resembling the seed of a silver maple tree, the single-winged device would pack a tiny two-stage rocket thruster along with telemetry, communications, navigation, imaging sensors and a power source.
The nano air vehicle, or NAV, is designed to carry interchangeable payload modules -- the size of an aspirin tablet. It could be used for chemical and biological detection or finding a "needle in a haystack," according to Ned Allen, chief scientist at Lockheed's fabled Skunk Works research arm.
http://www.sciam.com/article.cfm?alias=tech-wonders-on-homeland&chanId=sa003&modsrc=reuters
http://www.arpa.mil/DSO/solicitations/BAA06-06_sect2.pdf