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Artemis 2 works toward April launchThe revised campaign comes as engineers work through immediate issues on Artemis II, the first crewed flight of the program. After a successful "wet dress rehearsal" — a full countdown test that loads the rocket with super‑cold fuel — teams discovered that helium was not flowing correctly to the engines in the rocket's upper stage.，推荐阅读旺商聊官方下载获取更多信息
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Plans to return humans to the moon will come in later mission as agency grapples with delays and glitches
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