While officially unconfirmed, mounting evidence suggests the development of a hypersonic successor to the SR-71 Blackbird. This video displays various advanced aircraft concepts, including those in flight and in hangar settings, hinting at a secret military projects aviation program. From Lockheed Martin's own executives openly discussing hypersonic aircraft to unexplained flight sightings near Skunk Works facilities, the pattern of advanced aerospace technology is hard to ignore, pointing to continued military aviation innovation.