Welcome to The X Universe.
Feel free to join in the community here at TXU and ask as many questions as you need about any topics found within the scope of this site.
Joining the community will mean far more opportunities to participate with the features of the site, and is free for all to join.
I'm afraid the CotG mod is no longer supported for a while. If you have the X3 Albion Prelude you can visit x-battlestar.com and get the X3AP BSG mod from downloads block.