Beirut File by Dale A. Dye

When his wife disappears on a deep, dark intelligence mission, Gunner Shake Davis is desperate to find her. His quest to find Chan leads the retired Tier One Special Operator through the tragic Boston Marathon bombing and back to Beirut, Lebanon, where Shake served on active duty as part of the Multi-National Peacekeeping Force in the early 1980s. Shake Davis returns in the popular "File" series of novels by Dale A. Dye.