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Blue-water

Rank1
Global-reach power projection

Multiple and sustained power projection missions globally
United States
(略)

Rank4
Regional power projection

Limited range power projection beyond exclusive economic zone (EEZ)
China, Japan, Australia, South Korea, Germany

少なくともサウスコリアよりは日本の方が資格ありと言えるんじゃね?
EEZの広さを考えても全然違うし