Complex sentence: The Colonel was killed by shell fire at An Loc eleven hours before the cessation of all hostilities in accordance with the Paris Peace Accords, he was the last official American combat casualty of the war, the 45,914th confirmed death during the conflict.
Split into simpler sentences: The Colonel was killed by shell fire at An Loc eleven hours before the cessation of all hostilities in accordance with the Paris Peace Accords. He was the last official American combat casualty of the war-the 45,914th confirmed death during the conflict.