Rainbow Six Lockdown Trailer

"In this new episode, you lead Team Rainbow, the world's most elite counter-terrorist unit, as they are called into action and unfamiliar territory to battle a bioterrorist threat. Stakes escalate as they are personally targeted by an evil terrorist organization. Used to protecting the lives of others, Team Rainbow must now embark on a mission to fight and save some of their own. Rainbow Six 4 will introduce new single player experience with a personal darker storyline, state-of-the-art equipment, and offer gamers the chance to play as two members of Team Rainbow: Ding Chavez, the fearless leader of Team Rainbow, and a new sniper role portrayed by Dieter Weber, who must cover his team's movement with deadly accuracy."