Hypersonic Aircraft Are Ongoing Allure for Lockheed Martin
The defense contractor is advancing multiple platforms that would travel at or beyond Mach 5.
The SR-72 successor to the SR-71 Blackbird would have an integrated turbine and scramjet propulsion system. (Image: Lockheed Martin)
The SR-72 successor to the SR-71 Blackbird would have an integrated turbine and scramjet propulsion system. (Image: Lockheed Martin)