The predawn hours of March 4, 2002, just below the 10,469-foot peak of a mountain in eastern Afghanistan. Outnumbered by Al Qaeda fighters, Air Force Combat Controller John Chapman and a handful of Navy SEALs struggled to take the summit in a desperate bid to find a lost teammate. Chapman, leading the charge, was gravely wounded in the initial assault. Believing he was dead, his SEAL leader ordered a retreat. Chapman regained consciousness alone,...

The first and only book to ever be written by a member of America's most secret military unit--an explosive and unlikely story of immigration, service, and sacrifice. Inside our military is a team of operators whose work is so secretive that the name of the unit itself is classified. Highly-trained in warfare, self-defense, infiltration, and deep surveillance, "the Unit," as the Department of Defense has asked us to refer to it, has been responsible...