[![A Call To Arms ERD](http://farm3.static.flickr.com/2193/2245423694_35eca76cdb_m.jpg)](http://www.flickr.com/photos/dorward/2245423694/ "A Call To Arms ERD by dorward, on Flickr")I’m going to have a go at writing a campaign manager for Mongoose Publishing’s Babylon 5 war game – A Call To Arms. I spent some time this evening going over the rules with [Jim](http://jim.us-lot.org/) and working out what data needed storing. This entity relationship diagram is the result.
Complicated system, isn’t it?