Complex sentence: Late in the day on 26 September, the LST Tractor Group formed in cruising disposition and proceeded to New Guinea, returned to Hollandia, New Guinea on 30 September and anchored in Humboldt Bay.
Split into simpler sentences: Late in the day on 26 September, the LST Tractor Group formed in cruising disposition and proceeded to New Guinea. The Tractor Group arrived at Hollandia, New Guinea on 30 September and anchored in Humboldt Bay.