 He returned to the United States in January 1964 and assumed duty as Deputy Chief of Plans Directorate of United States Strike Command under General Paul D. Adams at MacDill Air Force Base, Florida.English was ordered to South Vietnam in December 1965 and joined 3rd Marine Division as assistant division commander under Major General Lewis W. Walt in Da Nang.He shared this responsibility with Brigadier General Jonas M. Platt, who served as second assistant division commander with headquarters at Chu Lai.