 Landing on March 1, 1942, the detachment rapidly progressed across Western Java, facing its heaviest resistance in the Battle of Leuwiliang against primarily Australian troops commanded by Arthur Blackburn.During the Guadalcanal campaign Nasu landed on Guadalcanal with the IJA 2nd Division during the first week of October 1942 in response to the Allied landings on the island.Nasu commanded one of the 2nd Division's large infantry groups, comprising infantry battalions from several regiments during the resulting October Matanikau action and Battle for Henderson Field.