(It is possessed of) (forces) (that would rip you to ribbons) (the second) (you dared to step off) (the tiny planetary beachhead) (it has permitted us).
that would rip you to ribbons the second you dared to step off the tiny planetary beachhead it has permitted us . 定语从句修饰forces
the second you dared to step off the tiny planetary beachhead it has permitted us .状语从句修饰rip you的时刻
it has permitted us 定语从句修饰beachhead
因为看不到具体文章背景和上下文,我无法给出翻译.如果涉及专业领域知识,最好的理解还需要你自己给出.
p.s. 没看到划分不了的句子,只看到一群不懂装懂的所谓“专家”