aerial radar recon, a dew line of sorts. there was a program using weather balloons, mounted with optical and RF equipment to monitor smugglers [adndm] vario

aerial radar recon, a dew line of sorts. there was a program using weather balloons, mounted with optical and RF equipment to monitor smugglers [adndm] various jammers could be mounted but these drones are likely semi autonomous and hardened, they probly have some type of GPS dependency, using environmental RF triangulation, rather than a satellite based GPS system