Recently I found the way to change the point in time where the model of some units (Worker, Great General, Great Admiral, etc) changes from archaic to modern. I made these units change model when I enter Modern Era, instead of Industrial Era. Having a general in a car alongside Musketmen and sometimes Knights didn't make sense to me. I can do this by modifying the Civ5ArtDefines_Units.xml files. My question is, how do I do this for the models of Embarked Units and Improvements? I can't seem to find the art define .xml files for those. Thanks in advance.