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  "path": "/2026/06/15/nasa-x59-mach-14-supersonic-flight/",
  "publishedAt": "2026-06-15T09:50:45.000Z",
  "site": "https://dataconomy.com",
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  "textContent": "NASA's X-59 hits key speed and altitude targets, marking major progress toward quiet supersonic flights over U.S. communities.",
  "title": "NASA’s X-59 reaches Mach 1.4 ahead of community supersonic tests"
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