Quarterhorse, the Air Force’s Next Hypersonic Aircraft, Has Taken an Epic Leap
WASHINGTON DC - Few planes ignite the awe-inspiring passions of aviation nerds quite like the SR-71 Blackbird. From its stealthy design to its secretive history, the Blackbird simply screams cool—and it also helps that it’s the fastest air-breathing (a.k.a. “not a rocket”) crewed aircraft in human history. Aviation company Hermeus successfully demonstrated mode transition between turbojet and