What about this?
In 1992, it was reported briefly in the news that the american federal government provided a grant for $643,500 to the Office of National Drug Control Policy (ONDCP) to detect both outdoor and indoor marijuana cultivation, with the use of a satilite. According to the report, the Santa Monica, California Sheriff's Department would team up with NASA's Jet Propulsion Laboratory to develop the system. According to the 2002 National Drug Control Strategy, the use of Remote sensing would be run by the Department of Defence for the ONDCP, though further information of this project is classified.
FLIR in helicopters
(outdoors)
http://www.rollitup.org/outdoor-grow...s-outdoor.html