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 +1 at 10:00 PM, Saturday 6 September.
Topics
Education ➝ Science ➝ Factual Topics
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