At medium range, you need 8 or more. If he is firing from inside a building other than a bunker, or from behind an armored vehicle, subtract one from your dice score. If he is fighting from inside a bunker or behind an armored vehicle, subtract 2 from your dice score. If he is not fighting, you cannot shoot him if he is behind a wall or vehicle. Each weapon does a certain amount of damage to a target, depending on its strength plus its range.
Weapons do more damage in a vacuum.
Heavy Crew guns fire one for each crewman. These are aimed at the same target. Missiles and Grenades Missiles and grenades are different, because regardless of range, they deliver the same explosive power. We use a cup or sand pail to determine the blast area, depending on the size of the weapon. Missiles may be used as direct or indirect fire.