https://www.youtube.com/watch?v=takYSka3FqU

New SR-72 Darkstar’s capabilities could be more than mere fiction. They could be reality. This New SR-72 super-cool Mach 6 wonder is still in the testing phases but should be rolled out for initial flight demonstrations by no later than 2023. But with a tight lid on its stealthy creation, it actually might have already taken to the air without the general public being aware.