For them you can sleep in night without any tension. For them you can talk your own voice. For them You should feel proud.
Also for them you can't go out. May be for them you can't sleep. You can lose your right to speak for them also.
They are well trained and expert in their field. They can be the best friend, the can be the worst enemy. It depends on their activity. Yes I am talking about military.
For me, I am lucky. They are my friend. Lets see 25 incredible logo related to military.