orangeどさくさ紛れだけど、スペースシャトルの打ち上げシーケンスと多彩な中止手段とその制限が複雑でカコイイのでみんな読んで＞＜(？)
Space Shuttle Launch Sequence https://www.lizard-tail.com/isana/lab/space_exploration/sts/launch_sequence.html
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