Author Matt Jackson grew up in a U.S. Navy family, spending his formative years at every naval submarine base on the American East Coast. Considering his family's proud Navy tradition, it might seem odd that Jackson would grow up and not only join the Army but stay for 25 years, serving in Vietnam and retiring as a commissioned officer. Today, Col. (ret.) Matt Jackson is a prolific author and creator of the "Undaunted Valor" series, one of the highest-rated book series set amid the Vietnam...