Complex sentence: After World War II, on 1 January 1944, the 65th was reorganized, designated as the 65th Engineer Combat Battalion, and deployed to Japan to assist in occupation duties for the next five years.
Split into simpler sentences: After World War II, on 1 January 1944, the 65th was reorganized and designated as the 65th Engineer Combat Battalion. They then deployed to Japan to assist in occupation duties for the next five years.