The xxxsovereign.zip file you have requested: Ship Textures / Federation / XXX Soverign High res pack - 6.49mb is not available. Perhaps try browsing all files for the game Star Trek: Bridge Commander and upload any files you want to share or are missing. This is the only information we could locate:
This will give you high res textures on the XXX Soverign. It contains old the Data/models/ships/soverignXXX files. Be sure to check the name of your nif's. As is, it will replace the stock or p81 sov.