Complex sentence: He later commanded the 1st Brigade, 3rd Infantry Division in Germany, then returned to Vietnam as the Deputy Chief of Staff, MACV, and was responsible for negotiating release of all prisoners of war.
Split into simpler sentences: He later commanded the 1st Brigade, 3rd Infantry Division in Germany. Wickham returned to Vietnam as the Deputy Chief of Staff, MACV, and was responsible for negotiating release of all prisoners of war.