Do you believe that the SR-91/Project Aurora/hypersonic spy plane ever existed?

Ad_Quid_Orator
Do you believe that the SR-91/Project Aurora/hypersonic spy plane ever existed?
Do you believe that the SR-91/Project Aurora/hypersonic spy plane ever existed?
I don't think that there was ever a such thing
I think there was a blueprint made and R&D done but no plane was ever built
I think a prototype was built and flew but then the program ended
I think that the military secretly has it in service
Unsure
Select gender and age to cast your vote:
Do you believe that the SR-91/Project Aurora/hypersonic spy plane ever existed?
3 Opinion