12 of America's Deadliest Unmanned Killing Machines brainz.org — These 12 machines were purpose-built to kill and destroy while saving American lives in the process. It may be an ugly idea, but it works.
I would personally love to own all of these toys. I could employ them on a fairly regular basis to keep dumb shits out of the high speed lane and to quiet my asshole neighbors 2000 hrs. lawn mowing sessions and their awful kids.