List of auxiliary ships by upgraded maximum stats

• Green: Outstanding
• Yellow: Good
• Since the Luck Stat is difficult to modernize, it is listed as Base(Max).

No.	Name	Class
161	Akitsu Maru あきつ丸	Hei (LHA)	n/a	19	0	29	0	13	10(39)	38	33	39	Slow	0	40	10
166	Akitsu Maru Kai あきつ丸改		25	33	0	37	0	59	13(49)	40	43	49	Slow	24(8,8,8)	45	25
182	Akashi 明石	Akashi (AR)	n/a	14	0	24	0	5	10(39)	39	19	29	Slow	0	50	10
187	Akashi Kai 明石改		35	24	0	36	0	6	12(49)	45	27	39	Slow	0	55	15
184	Taigei 大鯨	Submarine Tender (AS)	n/a	15	0	36	0	48	20(59)	39	37	39	Slow	8(2,3,3)	35	10
154	Katori 香取改	Katori ()	35	36	40	48	39	?	12(54)	40	39	?	Slow	8 (2,2,2,2)	35	20
No.	Name	Class

• Akitsu Maru
  • Her base form cannot carry aircraft.
  • Her base form has a Daihatsu-class Landing Craft as her default equipment.
  • Her Kai has an uncraftable Type 3 Spotter/Liaison (ASW) & Ka-type Observation Autogyro.
• Akashi
  • She has an uncraftable Ship Repair Facility as her default equipment in base & Kai forms.
  • She has battleship-tier remodel cost, repair cost & repair time.
• Taigei
  • She has the lowest ammo consumption among aircraft-carrying kanmusu.

Roles of support ships

• Amphibious Warfare
  • Amphibious assault ships can only carry certain guns & ship-based aircraft.
  • Akitsu Maru is currently the only amphibious assault ship
    • LHA is one amphibious warfare type & the agreed stand-in as there is no equivalent.
      • Historically, Akitsu Maru was a landing craft carrier, & in the hopes of becoming an escort aircraft carrier, her remodel widened the flight deck, increasing the ship's aircraft carrying capacity.
    • This role is reflected in Akitsu Maru being required for some installation type bosses.

• Repair
  • Repair ships (AR) can repair other ships in the same fleet.
  • Akashi is currently the only Repair Ship.
    • For details, see Anchorage Repair (泊地修理) .

• Replenishment
  • Submarine tenders can supply & support submarines.
  • ​Taigei is currently the only submarine tender (AS).
    • She does not yet have any special abilities, but she is required for Expedition 39 & enables superior pathing in 6-1.

• Training
  • Training ships are designed to assist sailors in ocean-going life & ship operation.
  • Katori is currently the only Training Cruiser ().
    • () is the agreed stand-in as there is no equivalent.
      • Historically, training cruisers were part of the kantei category, gunkan subdivision. They were not part of the tokumutei (special service, i.e. auxiliaries).
      • Indeed, after about a year of training, she was equipped & operated as a regular light cruiser.
    • She does not count as a light cruiser for most fleet composition requirements.
    • She will be equipped as a light cruiser.
    • She provides an experience bonus in PvP.
    • She is required as flagship for Expedition 32.