Finally: US Revealed A SECRET OF SR-91 Aurora


Can you imagine a hypersonic aircraft that can reach Mach 6? You probably think of concept designs like the SR-72 and the Hermeus Quaterhorse that we won’t see in action any time soon. However, according to some theories, an aircraft capable of this was already tested several decades ago. We will tell you about him today.


Leave A Reply

Your email address will not be published.