The obhd_installer.exe file you have requested: Maps / Conquest / Operation: Black Hawk Down - 67.64mb 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:
At the outset it seemed to be a routine military activity, but it shaped up into a debacle. Two UH-60 Blackhawks have been downed by mutinous Arabians in the heavy occupied city of Hadid. Now it is up to you to reach the spot and take the casualties back home safely.