Flat Ass Rules - Unity of Command; Geometry of Fires; Guardian Angel.
Be polite. Be professional. But, Have a plan to kill everyone you meet. Be curteous to everyone and friendly to no one.
There is no better friend and no worse enemy than a US Marine.
–Marine General James Mattis
Good men sleep peacefully in their beds at night because rough men stand ready to do violence on their behalf -George Orwell
That philosophy no doubt works well on the battlefield, or on the streets of many inner cities.
“I come in peace. I didn’t bring artillery. But I’m pleading with you, with tears in my eyes: If you f##k with me, I’ll kill you all.”
I believe that is a quote from the war in Afghanistan when one of our guys went to a counsel meeting with some locals. (???)