Rainbow Six 3: Raven Shield Iron Wrath

From Rainbow Six Wiki

Iron Wrath is the second expansion for the PC version of Raven Shield. It was in production for almost 2 years before Ubisoft decided to release it as a free download on June 9, 2005 to FilePlanet subscribers. Developed by Ubisoft-Casablanca, this latest expansion features a 7-mission campaign, 2 classic missions, 8 new multiplayer maps, as well as 6 new weapons.