List of ships required by quests and expeditions

HERE is a quest and ship checklist that keeps track of what ships you still need. Also includes an expeditions chart.

Unique Ships

 * Unique Destroyers: 20
 * Unique Light Cruisers: 8
 * Unique Heavy Cruisers: 13
 * Unique Battleships : 8
 * Unique Standard Carriers : 6
 * Total ships to collect for quests: 55


 * Destroyers to sortie: 18
 * Light Cruisers to sortie: 1
 * Heavy Cruisers to sortie: 12
 * Battleships to sortie: 2
 * Standard Carriers to sortie: 4
 * Total ships to sortie for quests: 37

Legend

Red - These ships have sortie quests, you should keep them and level them up until you clear the quest.

Green  - These ships have composition quests, you should keep them until you have the whole set.

Viable Light Cruisers

 * Ships
 * Tenryuu, Tatsuta, Kuma, Tama, Kiso (not Kai Ni), Nagara, Isuzu, Natori, Yura, Kinu, Abukuma, Sendai, Jintsuu, Naka, Ooi (Unremodeled), Kitakami (Unremodeled), Yuubari, Agano, Noshiro, Yahagi, Sakawa
 * Quests
 * A3, A5, B6, D9, D11

Viable Heavy Cruisers

 * Ships
 * Furutaka, Kako, Aoba, Kinugasa, Myoukou, Nachi, Ashigara, Haguro, Takao, Atago, Maya, Choukai, Tone (Not Kai Ni), Chikuma (Not Kai Ni), Mogami (Unremodeled), Mikuma (Unremodeled), Suzuya (Unremodeled), Kumano (Unremodeled)
 * Quests
 * A7, A13, B7

Viable Aviation Cruisers

 * Ships
 * Tone Kai Ni, Chikuma Kai Ni, Mogami Kai, Mikuma Kai, Suzuya Kai, Kumano Kai
 * Quests
 * A27, B18

Viable Battleships

 * Ships
 * Nagato, Mutsu, Kongou, Hiei, Haruna, Kirishima, Fusou (Unremodeled), Yamashiro (Unremodeled), Ise (Unremodeled), Hyuuga (Unremodeled), Yamato, Musashi, Bismarck
 * Quests
 * A13, B8

Viable Aviation Battleships

 * Ships
 * Fusou Kai, Yamashiro Kai, Ise Kai, Hyuuga Kai
 * Quests
 * A13, A26, B8, B18, B23, D10, D12

Viable Seaplane Tenders

 * Ships
 * Chitose A, Chiyoda A
 * Quests
 * A9

Viable Carriers

 * Ships
 * Houshou, Ryuujou, Hiyou, Junyou, Shouhou, Zuihou, Chitose Carrier, Chiyoda Carrier, Ryuuhou
 * Quests
 * A11, A12, B9

Viable Submarines

 * Ships
 * I-168, I-58, I-19, I-8, I-401, Maruyu
 * Quests
 * A25, A27, A37, B17, B5, D6, D7, D8, D13, D14

Viable Submarine Tenders

 * Ships
 * Taigei (Unremodeled)
 * Quests
 * D13, D14

Minimum Ships to Keep for Maximum Expeditions
These are the highest possible number of ships of any type you can send out on expeditions at any time. For example, expedition 37 and 38 require 5 Destroyers, and expedition 13 (or 21) requires 4 Destroyers. Therefore, the maximum number of destroyers you can have out at any time is 5+5+4 = 14.
 * Maximum required number of DD possible: 14
 * Maximum required number of CL possible: 4
 * Maximum required number of CA possible: 4
 * Maximum required number of BBV possible: 4
 * Maximum required number of AV possible: 2
 * Maximum required number of CVL/AV/CV possible: 7
 * Maximum required number of SS possible: 12
 * Maximum required number of AS possible: 1

Non-required Ships
Below is a list of extra destroyers and other ships that are technically not required by anything. If you don't have a reason to keep or level these ships, feel free to scrap or use them for modernization.