Major John L. Plaster, a three-tour veteran of Vietnam tells the story of the most highly classified U.S. covert operatives to serve in the war: The Studies and Observations Group, code-named SOG. Comprised of volunteers from America's most elite military units, SOG agents answered directly to the Pentagon's Joint Chiefs, with some missions requiring approval from the White House. Now for the first time, the dangerous assignments of this top-secret unit can be revealed.
