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  "path": "/2026/06/08/nasas-x-59-quesst-goes-supersonic/",
  "publishedAt": "2026-06-08T10:12:40.000Z",
  "site": "https://theaviationist.com",
  "tags": [
    "Military Aviation",
    "Edwards Air Force Base",
    "Lockheed Martin",
    "NASA",
    "Skunk Works",
    "X-59"
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  "textContent": "NASA’s X-59 QueSST flew faster than the speed of sound for the first time, expanding into the supersonic portion of its flight envelope. NASA’s experimental X-59 QueSST (Quiet SuperSonic Technology) conducted its first supersonic flight on June 5, 2026, reaching a top speed of approximately Mach 1.1 (713 mph) and altitude of 43,400 feet. The milestone arrived […]",
  "title": "NASA’s X-59 QueSST Goes Supersonic"
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