Multinational special-operations taskforce operating under NATO supervision. Rainbow was formed in 1999 to combat the rise of terrorist "free agents" following the collapse of the former Soviet Union. Operatives are drawn from the world's leading counter-terrorism organizations and are trained in the latest techniques in hostage rescue and covert operations. John Clark, a veteran officer of the American Central Intelligence Agency (CIA), commands them. RAINBOW operates out of the headquarters of the British Army's 22nd Special Air Service (SAS) Regiment at Hereford.Tom Clancy's Rainbow Six Intro
