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  "path": "/2026/03/07/nasa-contract-confirms-selection-of-ulas-centaur-5-as-new-upper-stage-for-the-sls-rocket/",
  "publishedAt": "2026-03-07T00:40:15.000Z",
  "site": "https://spaceflightnow.com",
  "tags": [
    "Artemis",
    "Mission Reports",
    "News",
    "Space Launch System",
    "Uncategorized",
    "X Home Page Highlight"
  ],
  "textContent": "The upper stage of United launch Alliance’s Vulcan rockets performed successfully across the first four flights of the rocket since 2024. The first launch of a Centaur 5 as part of a Space Launch System rocket would be on the Artemis 4 mission. ",
  "title": "NASA contract confirms selection of ULA’s Centaur 5 as new upper stage for the SLS rocket"
}