*Originally ''Takao'' and ''Atago'''s names were reserved for two ships of the ''Amagi''-class Battlecruisers; had the Washington Naval Treaty not been conceived, ''Takao'' and ''Atago'' would be sister ships of ''Akagi''. | *Originally ''Takao'' and ''Atago'''s names were reserved for two ships of the ''Amagi''-class Battlecruisers; had the Washington Naval Treaty not been conceived, ''Takao'' and ''Atago'' would be sister ships of ''Akagi''. |