Military Time
“What’s the time?” “It’s 18:00!”. Being ex-military does not change how you read and tell time. Why do you have to include AM and PM when you can simply count 24 hours?
Your Hair
Civilians can choose whatever haircut they would like to wear, but soldiers all get the same buzz-cut. However, after leaving the military, they can get whatever haircut they want, but most just stick to the kind that they have gotten used to.