The tanks_of_omen1.zip file you have requested: Maps / Conquest / Tanks of Oman - 48.85mb 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:
Pacman has converted yet another map, this one being for Battlefield 2: Special Forces. He took Gulf of Oman and added some features from Battlefield 2: Special Forces into it.