Complex sentence: Like his father James served in the United States Marine Corps from 1987 to 1993 and fought in Operation Desert Storm in 1991, where he was a platoon sergeant in command of thirty-three Marines.
Split into simpler sentences: Like his father, James served in the United States Marine Corps. His tenure lasted from 1987 to 1993 and he fought in Operation Desert Storm in 1991, where he was a platoon sergeant in command of thirty-three Marines.