Expedition

Unlocking Expeditions
You must complete Quest A4 (Have 6 ships in your fleet) to unlock expedition mode. Each expedition will become available as soon as the previous expedition is successfully completed.

Conditions

 * You can use light carrier (CVL),seaplane tender (AV) or Aircraft Carrying Sub. (SSV, remodeled I-58) instead of standard carrier (CV) for Carrier's expeditions.
 * SSV is a carrier, and will not count as submarine (SS) (never use remodeled I-58 on submarine expedition)
 * Please see the Glossary for additional information on letter abbreviations.