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National Security Journal on MSN2d

The Mach 6 SR-72 Darkstar May Never Fly

This analysis debates the U.S. Air Force’s need for the secretive, Mach 6+ SR-72 hypersonic aircraft. -Proponents laud its ...
The U.S. Air Force’s secretive F-47 sixth-generation fighter is a technological marvel designed to counter the growing threat ...
When functioning normally, the shock waves stay inside the inlet. If something disrupts this process, the engines lose their ...
High above a barren California desert on Tuesday, a privately developed aircraft broke the sound barrier for the first time when Boom Supersonic's XB-1 demonstrator reached Mach 1.122.
Boom Supersonic says the company's XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below.
The May 21 flight test brings Hermeus a step closer to its goal of flying the autonomous, reusable vehicle at near-Mach 5 speeds by 2026.