Planes That Changed the World
SR-71 Blackbird - Hypersonic Surveillance
Season 1 Episode 1 of 3
A look at the SR-71 Blackbird, a plane capable of reaching an altitude of 80,000ft and speeds of more than Mach 3, while also being invisible to radar
Planes That Changed the World airs on Discovery History at 10:00 AM, Sunday 15 November.
Topics
Education ➝ Science ➝ Factual Topics
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