One of the Vietnam War's most closely guarded secrets--a highly classified U.S. radar base in the mountains of neutral Laos--led to the disappearance of a small group of elite military personnel, a loss never fully acknowledged by the American government. Now, thirty years later, one book recounts the harrowing story--and offers some measure of closure on this decades-old mystery. Because of the covert nature of the mission at Lima Site 85--providing...