He entered the U. S. Army as a private in 1958 and was commissioned in the following year. He served in Vietnam with 4th Infantry Division, twice in Germany—a total of more than seven years—and with troop units and on posts throughout the United States. He is a Senior Parachutist and holds the Legion of Merit (two awards), the Bronze Star, and other decorations. He retired from military service as a colonel.
He attended Stanford University, where he earned a BA in History and a Doctor of Laws. He came to the University of Oklahoma Law Center in 1982, where he also served seven years as Associate Dean for Academics and Associate Director of the Law Center.
He lectures extensively on military and western history, for ten years taught military history to the Army ROTC at the University of Oklahoma, and team-taught five seminars on War and Literature and Law and Literature for the OU College of Liberal Studies.
He is the author or co-author of thirteen books—with two more in preparation—and more than a hundred magazine articles, mostly in military and western history. His To The Last Cartridge Series, to be published by Cable Publishing, is a collection of new military stories as well as some taken from his previously published Men at War and To The Last Cartridge.