A two-tour veteran of Vietnam, "Doc" Bahnsen earned a reputation as one of the hardest-fighting and bravest officers of the war, commanding soldiers on the ground and in the air. Among his many decorations were the Distinguished Service Cross, five Silver Stars, three Distinguished Flying Crosses, and two Purple Hearts. He would serve in the Army for 30 years, where he would become celebrated for the development of gunship techniques and tactics. He is the author of "American Warrior: A Combat Memoir of Vietnam."