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  "path": "/blogs/missions/2026/02/17/artemis-ii-wet-dress-rehearsal-countdown-begins/",
  "publishedAt": "2026-02-18T00:18:10.000Z",
  "site": "https://www.nasa.gov",
  "tags": [
    "Christina H. Koch",
    "Exploration Ground Systems",
    "Exploration Systems Development Mission Directorate",
    "G. Reid Wiseman",
    "Orion Program",
    "Space Launch System (SLS)",
    "Victor J. Glover",
    "Artemis II Wet Dress Rehearsal: Countdown Begins",
    "NASA Science"
  ],
  "textContent": "The countdown for the Artemis II wet dress rehearsal is underway at NASA’s Kennedy Space Center in Florida. The countdown clock began at 6:50 p.m. EST Tuesday, or L-49 hours, 40 minutes before the opening of a simulated launch window at 8:30 p.m., Thursday, Feb. 19. The test is expected to go until approximately 12:30 […]\n\nThe post Artemis II Wet Dress Rehearsal: Countdown Begins appeared first on NASA Science.",
  "title": "Artemis II Wet Dress Rehearsal: Countdown Begins"
}