The fleetbackgrounds2.zip file you have requested: The Outdated Abyss / Fleet Backgrounds - 1.47mb is not available.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 contains some nice map backgrounds that put images of different fleets. Its really just something to play around with. Would of been nice to see higher resolution images.