Tom Clancy - [Jack Ryan 10] Rainbow Six

At its heart is ex-Navy SEAL John Clark, now the newly named head of Rainbow, an international task force dedicated to combating terrorism. John Clark, the ex-Navy Seal known as the dark side of Jack Ryan. John Clark is the man who conducts the secret missions President Ryan can have no part of. Whether hunting warlords in Japan or druglords in Colombia, Clark is efficient and deadly. But even he has ghosts in his past.

In a trial by fire, Clark is confronted with a violent chain of seemingly separate international incidents. But there is no way to predict the real threat: a group of terrorists like none the world has ever encountered, a band of men and women so extreme that their success could literally mean the end of life on earth as we know it ...