: In more recent lore, the Rainbow program was reactivated under a new leader to face "The White Masks". Later, the unit formed the specialized REACT division to combat a biological extraterrestrial threat known as the Archæans.

: The primary antagonist is a billionaire eco-terrorist named John Brightling, head of the Horizon Corporation.

: In the Rainbow Six: Vegas series, the story takes a personal turn when veteran operative Gabriel Novak betrays the team, leading to a deadly showdown in Las Vegas.

: The Rainbow team must unravel a series of seemingly random terrorist attacks worldwide, eventually discovering they were all staged diversions or tests funded by Horizon. Key Characters and Lore

: Brightling and his radical followers plan to unleash a highly infectious Ebola-like virus called "Shiva" during the Olympic Games to wipe out most of humanity, believing that only a "chosen few" should remain to "save" the planet.