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

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