Changes

* '''Nimu''' - [[I-26]]

* '''Nimu''' - [[I-26]]

* '''Ro''' - [[Ro-500]]

* '''Ro''' - [[Ro-500]]

* '''Sentaka''' - {{Type|Sentaka}}-Dai, the I-201-class type, meaning "High-speed (Large) Submarine"

* '''Sentaka''' - [[Sentaka|Sentaka-Dai Type]], the I-201-class type, meaning "High-speed (Large) Submarine"

* '''Sentoku''' - {{Type|Sentoku}}, the I-400-class type, meaning "Special Type Submarine"

* '''Sentoku''' - [[Sentoku|Sentoku Type]], the I-400-class type, meaning "Special Type Submarine"

* '''Shi Chan''' - [[I-41]], a lesser official nicnamed, used by [[I-36]]

* '''Shi Chan''' - [[I-41]], a lesser official nicnamed, used by [[I-36]]

* '''Shioi''' - [[I-401]]

* '''Shioi''' - [[I-401]]