Third Chapter in the Award-Winning Rainbow Six PC Game Series Hits Store Shelves This Week is the press release announcing the imminent availability of Tom Clancy's Rainbow Six 3: Raven Shield. Here's the description of the story from the announcement: "Direct an elite, multinational squad of special operatives against a hidden terrorist foe. Command Team RAINBOW in a race against time, in locations ranging from England, Norway, the Caribbean islands and Rio de Janeiro during Carnaval to stop a madman and his doomsday plot."