The usmod.zip file you have requested: Modifications / Unconditional Surrender / CoD: UO -- Unconditional Surrender Mod (Pre-Beta) - 10.02mb is not available. Perhaps try browsing all files for the game Call of Duty: United Offensive and upload any files you want to share or are missing. This is the only information we could locate:
Put the usmod folder contained in the zip in your C:Program FilesCall of Duty directory, then load United Offensive, click Mods, and launch usmod. The Unconditional Surrender mod team has released the final version of their pre-beta. This version contains stat changes in weapons, vehicles, and gametypes.