S1·E3 – SR-71 Blackbird - Hypersonic Surveillance
2015-04-07 • 46 min
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.
2015-04-07 • 46 min
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.