大湊警備府
"Inazuma" deployed from Ōminato Guard District in support of Admiral Boshirō Hosogaya’s Northern Force in the Aleutians campaign, patrolling waters around Kiska and Attu during June and July, and rescuing 36 survivors from the torpedoed destroyer . She continued to be assigned to northern patrols in the Chishima islands and Aleutian islands through the end of August.