Yea, seriously though with gas going where it is those choppers guys are gonna have a hard time going for fun little helicopter rides. In that respect every single plant will have its own type of heat signature. Combined with all the different life forms in a forest they will have their work cut out for them. Each path with say 5 plants won't draw attention, have another 5 plant patch say 20 yards away. Stay in tune with nature, if you have to kill a couple lowly "bitch" plants, then some sacrifices must be made I suppose. Airplanes and helicopters are very expensive to fuel, and getting more so everyday. Can you seriously think of a bigger waste of our tax dollars. Fly airplane sweeps over acres and acres and acres of WILDERNESS, not even looking for a little girl lost on a camping trip. Flying those airplanes over and over looking for a fucking plant, in the wilderness.