Call of Duty does NOT constitute having a military background. Sitting behind a screen with a joystick in the comfort of your home is just that, playing a game. In my case, I spent 6 months learning all about the Army. We practiced marching, maneuvers, tactics and wore real Army uniforms, right down to military issue boots. Essentially I went through a mini bootcamp. In my role, I was a corporal that earned a battlefield promotion to sergeant. I was also part of one the largest re-enactments ever with over 450 participants. In this re-enactment, we were pinned down in a firebase and got overrun by a company of NVA regulars and a platoon of VC. Almost all of our re-enactments were held at dusk or at night. Believe me, seeing the whites of the enemy's eyes at night as they charged over sandbags into the firebase was very real. This is why I claim a military background because that was my life for 6 months.