Conditions for GS in expedition are splitted into 3 types:
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===Normal Success===
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Meeting the requirements for the expeditions as [[#Reference Tables|detailed below]] will normally result in a '''Normal Success (成功)'''. Failing to meet the requirements will result in a '''Failure (失敗)'''. Please check the fleets against the following checklist to ensure success.
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* '''Supply status''': Fleets should be fully '''[[Supply (Mechanic)|resupplied]]''' before being dispatched. Fleets without enough supplies to meet the expedition cost will fail.
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* '''Flagship level''': The flagship must have a level greater or equal to the required flagship level of the expedition.
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* '''Fleet level''': Certain expeditions also have a '''sum total of fleet level''' requirement that must be met.
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* '''Composition''': Certain expeditions require certain ship types and/or certain numbers of ship girls to be dispatched.
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* '''Drum Canisters''': Certain expeditions such as 21 require a certain number of [[Drum Canister]]s to be equipped by the fleet.
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* '''Stats''': Certain expeditions such as A2 have certain '''sum total of fleet [[Stats]]''' requirements that must be met. Required stats can be firepower {{Firepower}}, Torpedo {{Torpedo}}, ASW {{ASW}}, Line of Sight {{LOS}} or Anti-Air {{AA}}.
A '''Great Success (GS) (大成功)''' provides 50% more resources, twice the HQ experience, four times the ship girl experience, and the great success reward item (if applicable). In addition to meeting [[#Normal Success|Normal Success]] conditions, conditions for GS in expeditions are split into 3 types: