Call of Duty: United Offensive Map Pack

Once installed, this optional map pak file will not be removed by the United Offensive uninstall program
Activision has released for United Offensive, the Call of Duty addon, a map pack which contains 8 new multiplayer maps (mp_uo_hurtgen, mp_uo_dawnville, mp_uo_harbor, mp_uo_powcamp, mp_uo_carentan, mp_uo_depot, mp_peaks and mp_streets). None of the new maps support Base Assault gametype.