The n.a.wofficialmappack3.exe file you have requested: Modifications / Nations at War / Nations at War - MapPack #3 - 525.33mb 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:
MapPack #3 for Nations at War (3.9). You will need this if you did not download the full client files.