1963 West Point graduate Allen Clark served in Vietnam as a Military Intelligence officer involved in undercover intelligence operations against Cambodia assigned to the Fifth Special Forces Group (the Green Berets).  On June 17, 1967 he was severely wounded in a mortar attack at Dak To Special Forces camp in the Central Highlands of South Vietnam and required fifteen months of hospitalization for treatment after amputation of both legs below his knees.  He was awarded the Silver Star for Gallantry in Action, a Purple Heart, Bronze Star, Air Medal and Combat Intantryman's Badge.

From 1979-1981 he served as Special Assistant to Texas Governor Bill Clements.  In 1982 he was a candidate for Treasurer of the State of Texas.  After nomination by President George H. W. Bush he was confirmed twice by the United States Senate, once as the Assistant Secretary for Veterans Liaison and Program Coordination and then as Director of the National Cemetery System of the Department of Veterans Affairs.  He retired in 2005 as the Public Affairs Officer of the Veterans Affairs North Texas Health Care System in Dallas.

His ministry to veterans suffering from combat operating stress may be found at his website www.combatfaith.com.

In early 2007 his autobiography was published by Zenith Press, Wounded Soldier, Healing Warrior.  His interview on the Larry King program on May 17, 2007 may be viewed at his book website www.woundedsoldierhealingwarrior.com.

He is married to the former Linda Frost and lives in Dallas.