Complex sentence: Reassigned as a machine gunner with Fox Company, 2nd Battalion, 4th Marines, 3rd Marine Division, in the Republic of Vietnam, and was promoted to Lance Corporal on September 1,1967.
Split into simpler sentences: Reassigned as a machine gunner with Fox Company, 2nd Battalion, 4th Marines, 3rd Marine Division, in the Republic of Vietnam. He was promoted to Lance Corporal on September 1,1967.