The pacific_battle_v2.ace file you have requested: Maps / Conquest / BF1942 Pacific Battle v2.0 - 6.49mb is not available. Perhaps try browsing all files for the game Battlefield 1942 and upload any files you want to share or are missing. This is the only information we could locate:
This is a remake of a map that was released a while back. It has updated terrain, spawn points, and ship placement. As the title suggests, this is a naval battle map.