The golf_of_oman_4_poe_v44.rar file you have requested: Maps Levels Missions / Point of Existence / POE Golf of Oman - 18.57mb is not available. Perhaps try browsing all files for the game Battlefield Vietnam and upload any files you want to share or are missing. This is the only information we could locate:
The author has taken the map from the BF2 demo, Gulf of Oman, and converted it into a POE map. There is no singleplayer though.