A shooting simulation system and method. The system includes a plurality of firearms. Each firearm is held by a separate player and includes a man-worn computer, an optical system associated with the firearm for capturing an image. The image provides information on a trajectory of a simulated bullet fired from a shooting firearm. The system determines if the captured image is a hit or a miss of targeted player and informs a man-worn computer of the targeted player of a hit by the shooting firearm. The determination if the captured image is a hit or miss and identity of the targeted player may include utilizing various types of information, such as the location of the shooting firearm and the targeted player, orientation of the shooting firearm, trajectory of the projected ammunition of the shooting firearm, terrain data and atmospheric conditions.