There is a video game called Call of Duty.
 Call of Duty was one of the early first-person shooters to feature iron sights in game play; by pressing the corresponding key the player aims down the gun's actual sights for increased accuracy
Computer Games Magazine named Call of Duty the sixth-best computer game of 2003, and the editors wrote, "This game ups the ante in the WWII shooter arena, and makes everything that has come before it seem as outdated as France's army

