New TechnologiesThe SR-72 Darkstar Is a Mach 6 Headache for the U.S. Military Posted on May 19, 2026 by Administrator The SR-72 “Son of Blackbird” is one of the most nebulous and mysterious projects currently underway by Lockheed Martin’s Skunk Works division. Speculation about the project began as early as 2007 and was later confirmed in 2013.
