Planes That Changed the World - الموسم 1 الحلقة 1

This double-decked monster was designed to carry 800 passengers and revolutionise the highways of the sky, so why did it take 17 years to lift off?

Lockheed were tasked with creating a plane invisible to Russian radar, capable of reaching an altitude of 80,000 ft and speeds of Mach 3.2.