Birds Still Not Real popularmechanics.com

Why did this thing fail? The CIA Built a Nuclear Bird Drone to Spy on Communists. Now It's Declassified. At the height of the Cold War, America’s military industrial complex was churning out impressive airplanes designed to spy on the Soviet Union and other communist countries. The speedy SR-71 Blackbird and high-flying U-2 Dragon Lady spy planes, for example, were big, impressive planes designed to outrun or outfox enemy air defenses. These planes set records for speed, operating altitude, and are still considered technical marvels today.