Key Points and Summary - Since the late 1980s, “SR-91 Aurora” has signified a rumored SR-71 successor: a stealthy, manned, hypersonic reconnaissance jet said to cruise above Mach 5 or Mach 6 and ...
Summary and Key Points: The SR-91 Aurora is a rumored hypersonic spy plane that has captivated aviation enthusiasts and conspiracy theorists for decades. Allegedly developed in the 1980s as a ...
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