Known as one of the most awe-inspiring achievements in the history of aviation, Lockheed Martin’s SR-71 Blackbird was the ...

The SR-71 “Blackbird” broke the world’s record for sustained altitude in horizontal flight in 1976 when it flew at Mach 3.3 (times the speed of sound). As of 2025, no fighter or proposed ...

The prototypes, however, lived on in NASA’s facilities, where they were used for flight research into aerodynamics, ...

a similar closure impacted parts of the 71 and 91 Freeways for similar work, and again in December. The closures will turn through at least March 28. Periodically, east and westbound lanes of SR ...