Years before a gigantic white spy balloon from China captured America’s attention, a top Chinese aerospace scientist was keenly tracking the path of an unmanned airship making its way across the globe.
On a real-time map, the white blimp appeared as a blinking red dot, although in real life its size was formidable, weighing several tons and measuring 328 feet (100 meters) in length—about 80 feet longer than a Boeing 747-8, one of the largest passenger aircraft in the world.
