Complex sentence: Operation Abilene was aimed at the local Viet Cong D800 Battalion, it involved units of the 1st Infantry Division (primarily the 16th Infantry Regiment), New Zealand artillery and the 1st Battalion, Royal Australian Regiment.
Split into simpler sentences: Operation Abilene was aimed at the local Viet Cong D800 Battalion. It involved units of the 1st Infantry Division (primarily the 16th Infantry Regiment), New Zealand artillery and the 1st Battalion, Royal Australian Regiment.