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  "path": "/space/space-exploration/nasas-experimental-x-59-jet-breaks-sound-barrier-for-1st-time-in-step-toward-quiet-supersonic-technology",
  "publishedAt": "2026-06-13T13:00:00.000Z",
  "site": "https://www.livescience.com",
  "tags": [
    "Space Exploration",
    "Space"
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  "textContent": "NASA and Lockheed Martin's experimental X-59 aircraft has broken the sound barrier, achieving a speed of Mach 1.1. The feat could set the stage for \"quiet\" supersonic flight.",
  "title": "NASA's experimental X-59 jet breaks sound barrier for 1st time in step toward 'quiet supersonic' technology"
}