Helium is used to pressurize tanks and help push fuel into the engines. Without proper helium flow, the rocket cannot safely fly. Because the upper stage is hard to reach at the launchpad, NASA rolled the stacked rocket back into the Vehicle Assembly Building, the sky-scraping hangar where it was originally put together.
人民警察的回避，由其所属的公安机关决定；公安机关负责人的回避，由上一级公安机关决定。
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本报北京2月27日电 （记者刘诗瑶）记者从中国载人航天工程办公室获悉：2026年，中国载人航天工程将深入贯彻落实“十五五”规划部署，在新起点上深化推进空间站应用与发展、载人月球探测两大任务。
Because this is regular Smalltalk code, all standard development tools work out of the box: syntax highlighting, code completion, navigation, and refactorings:
（三）与本案当事人、代理人有其他关系，可能影响公正仲裁；