eli5: Why are military ranks worn on the chest in most combat uniforms?

Question

Okay, as someone who likes to look at combat uniforms, I wonder, why are ranks worn on the chest in most combat uniform designs?

In: 3

Answer 1

They used to be sewn on the sleeves. Removing stitching for promotions, etc. was/is a pain in the ass. So, you put an epaulet on the front with your rank insignia, or a velcro patch, and job done.