The caucaus_mountains_cq_sp_coop.zip file you have requested: Maps / Single Player / Caucasus Mountains - 33.25mb is not available. Perhaps try browsing all files for the game Battlefield 2 and upload any files you want to share or are missing. This is the only information we could locate:
The 1st Infantry Division of the People's Liberation Army is pushing through Eastern Europe's mainland. USMC reinforcements have come from the west to halt the Chinese advance.