SOG was a secret operations force in Vietnam, the forerunner of today's Delta Force and Navy SEALs. Exceptionally skilled Green Berets, they were the most highly decorated unit in the war. Always outnumbered--often by as much as 100 to 1--SOG commandos matched wits in the most dangerous environments with an unrelenting foe that hunted them with trackers and dogs. Ten entire teams disappeared and another fourteen were annihilated.

In Secret Commandos, John Plaster tells of his own remarkable covert activities in SOG from 1969 to 1971, as well as those of dozens of his comrades,...