Aurora is the rumored successor to the SR-71, alleged to be a hypersonic spy aircraft capable of Mach 6 flight at extreme altitude. Sightings of triangular aircraft, unusual contrails, and unexplained ...

At the end of the SR-71 spy plane program in the 90s, the US was left without a new spy plane to operate across the world. The SR72 is still decades away, and for the last 30 years, supposbly the ...