Key Points and Summary - Yes, the SR-72 Darkstar gets a lot of attention as the next spy plane. However, years back, the SR-91 was getting some of the same headlines. -The legend of the Mach 5 SR-91 ...
Found and Explained Official on MSN
The SR-75 penetrator and the Aurora mystery
The SR-75 is a highly speculative hypersonic reconnaissance aircraft rumored to follow the SR-71 Blackbird. Allegedly involving a mothership and parasite vehicle capable of extreme speeds and ...
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