The swat_s_homeland_map_update.zip file you have requested: Maps Levels Missions / SWAT Homeland - 292.91kb is not available. Perhaps try browsing all files for the game Starsiege: Tribes and upload any files you want to share or are missing. This is the only information we could locate:
A map for Tribes that is mix of CTF, and CAH . It has three teams and the bases are ships.