While the rocket is inside, technicians will remove and inspect suspected helium system components, update any faulty hardware, and perform other work. That includes replacing batteries in the flight termination system — the emergency system that can destroy the rocket if it strays off course — swapping out a seal on the line that feeds liquid oxygen into the rocket, refreshing items inside Orion, and giving the closeout crew more practice sealing the capsule.
「我認為能參與如此了不起的事情是一種榮幸和特權，並有機會和一位我認為非常不凡的人相處。請注意，我沒有任何其他意思，只是把他視為一位非常卓越的前總統。」。业内人士推荐Line官方版本下载作为进阶阅读
Flat graphic design, vintage retro。业内人士推荐爱思助手下载最新版本作为进阶阅读
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