National Security Journal on MSN

The SR-72 Darkstar is a Mach 6 headache for the US military

The SR-72 “Son of Blackbird” is one of the most nebulous and mysterious projects currently underway by Lockheed Martin’s ...
Hosted on MSN

Skunk Works expansion fuels speculation on SR-72 Darkstar progress

Lockheed Martin’s Skunk Works division has expanded facilities tied to advanced hypersonic manufacturing, intensifying ...