Gunnery Sgt. Ira Heide works hard to balance his duties as a Marine and his obligations as a single parent. He has served as a Marine for 16 years and as a father for seven to his son, Jessen. - Gunnery Sgt. Ira Heide works hard to balance his duties as a Marine and his obligations as a single parent. He has served as a Marine for 16 years and as a father for seven to his son, Jessen.