
The Chinese balloon that traversed the United States before being shot down last weekend captivated public attention and drew sharp denunciations as a brazen spying effort.
But if the vehicle for espionage seemed novel, the concept was anything but.

The Chinese balloon that traversed the United States before being shot down last weekend captivated public attention and drew sharp denunciations as a brazen spying effort.
But if the vehicle for espionage seemed novel, the concept was anything but.