A small, globe-trotting balloon declared “missing in action” by an Illinois-based hobbyist club on Feb. And they’re going to look not too intelligent to be shooting them down,” says Ron Meadows, the founder of Scientific Balloon Solutions (SBS), a Silicon Valley company that makes purpose-built pico balloons for hobbyists, educators and scientists. Medlin says one of his balloons—call sign W5KUB-112—is projected by HYSPLIT to enter U