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I suspect they're trading an obscene amount of space to save weight (because space). There's a reason (the reason being they tested this stuff 1.5 centuries ago) pretty much no armored vehicle or vessel uses armor with empty spaces in between.


It’s called “spaced armor” and there’s a whole wikipedia article detailing its use in the last century of tank design.

Army wants to save weight too btw, they do fly these things in after all.

https://en.m.wikipedia.org/wiki/Spaced_armour


Not only that, but you get better fuel efficiency, better acceleration etc.





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