 The Buin Road was cleared south towards the Peperu River, while the lateral track north to Oso was also cleared.In mid-June, after bypassing Unani along a lateral track that passed behind Monoitu, the battalion was involved in actions around the Hari and the Ogorata Rivers, pushing towards Kingori and then on to Katsuwa along the Commando Road, crossing the Mobiai.Eventually they reached the Mivo River which was forded by early July.