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Jammu & kashmir News

The Economic Times

Jammu & kashmir / The Economic Times

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NASA is building a mysterious X plane that may fly at extreme speed

NASA Administrator Jared Isaacman has teased a mysterious X-plane concept resembling the legendary SR-71 Blackbird, hinting at a renewed push into extreme high-speed and high-altitude aviation. NASA has not confirmed the aircraft's identity, speed or whether it is under development, but says it plans to expand its experimental X-plane portfolio and explore advanced airframe and propulsion technologies.

24 Sep 2026 3:17 pm