Planes That Changed the World: SR-71 Blackbird - Hypersonic Surveillance
9:00 pm - 10:00 pm, Today on Discovery History +1 (274)
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SR-71 Blackbird - Hypersonic Surveillance
Season 1, Episode 1
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
HD
16x9
Education/Science/Factual Topics
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