Without Remorse - Tom Clancy

It is 1970. Back in the US after serving as a Navy SEAL in Vietnam, John Kelly meets a woman who will change his life for ever. She has recently escaped from a nightmare world of unimaginable suffering, yet before they can plan a future together, the horrors of her past reach out to snatch her from him. Kelly vows to gain revenge - but finds there are others who need his deadly skills.