An Officer has various effects, such as giving buffs to ships or increasing the amount of rewards received.
You can place one officer for each branch which are: Weapon, Organization, Detection, Deck, and Special.
More information below.
■ How to check Officer
[LOBBY] -> [ADMIRAL] -> [OFFICER]
※ You can obtain Officers from [Recruit Officer] and if you obtain an already owned officer, EXP will be increased.