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Arma 2 Operation Arrowhead Artillery Tutorial show you the vanilla way of using artillery. Now this tutorial assume that you use Operation Arrowhead, the same system work in Arma 2 if the mission maker activate it. Now you need to be aware that in many missions, the creator may have use other script that make the artillery work differently and since there is no way to know what script they will end up using, i can't really make tutorial about these.
This video is created using games from Bohemia Interactive. See http://www.bistudio.com for more information.