Isaacman pointed to hydrogen leaks on Artemis I and helium flow problems on Artemis II as signs that a three‑year gap between launches is not sustainable. When teams only fly every few years, he said, they lose "muscle memory" — the routine, hands-on experience required to handle a complex rocket safely and efficiently.
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В России ответили на имитирующие высадку на Украине учения НАТО18:04
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突出一个“实”字，就要避免“虚”，就要力戒形式主义，力戒“面子工程”。。业内人士推荐Line官方版本下载作为进阶阅读