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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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他们尚且算是幸运的，“有很多关于家庭被拆散，有人失踪、死亡或者被（泰国）海盗抢劫、强奸和绑架的悲惨故事。”杜耀豪告诉南方周末记者。
Technicians are trying to diagnose a helium flow problem in the upper stage of the moon rocket ahead of Artemis II, which could launch as early as April.