JOHNNIE M. CLARK joined the Marine Corps when he was seventeen and served as a machine gunner with the famed 5th Marine Regiment during the Tet Offensive in Vietnam. He was wounded three times: mortar round, grenade, and gunshot. He has received many awards and honors for bravery and gallantry, including the Silver Star, three Purple Hearts, the Vietnamese Cross of Gallantry with Palm, the Civil Action Combat Medal, and the Marine Combat Ribbon. Mr. Clark began training in martial arts as part of his rehabilitation program. He is now a seventh Dan Black Belt Master of Tae Kwon Do and owns and operates a school in Saint Petersburg. His books Guns Up! and Semper Fidelis are recommended reading to all newly commissioned officers at the Basic School. Clark is a graduate and writer in residence at Saint Petersburg College.