in early october, "aegir" reported to new london, connecticut for shakedown. on 23 october, the tender got underway for pearl harbor via the panama canal and san diego. she reached hawaii on 18 november and was assigned to submarine squadron 24 (subron 24). "aegir" traveled to midway later that month. she remained stationed at that island until 1 september 1945. during this period, "aegir" furnished refitting and tender services to the submarines of subron 24.