The driving aesthetic of military style is uniformity. Whence the word uniform. From first inspection to Arlington National Cemetery, soldiers look like those around them: same hat, same boots, identical white grave marker. They are discouraged from looking unique, because that would encourage them to feel unique, to feel like an individual. The problem with individuals is that they think for themselves and of themselves, rather than for and of their unit. They're the lone goldfish on the old Pepperidge Farm bags, swimming the other way. They're a problem.