Seems to me they are overlooking the tens of thousands of drones that are flown around the country. They are launched by the hundreds as light shows, often in conjunction with fireworks. They are all pre-programmed with GIS and can make any disign in the sky and change it in less than a minute. They are cheap and small. So some prankster could easily put 30 of them in a van, launch from any small open area in the woods and have them go anywhere within a few miles over the treetops, turn on the lights, fly in any pattern, and come home to their little landing pads. They come home automatically when batteries get low. So all it would take is eight to make what looks like a rectangular cube (school bus or boxcar) flying in any pattern progaammed in. Farmers use them around here to photograph fields looking for disease outbreaks, areas of nutrient defiencies, etc.
