NAVY - Republic of Korea Navy [sleeve insignia]

no insignia
Mudung-byong	Yi-byong	Il-byong	Sang-byong	Byong-jang
Apprentice Seaman	Seaman	Seaman 1st Class	Petty Officer 3rd Class	Petty Officer 2nd Class
	working dress

Ha-sa	Chung-sa	Sang-sa	Won-sa
Petty Officer 1st Class	Chief Petty Officer	Senior Chief Petty Officer	Master Chief Petty Officer

Jun-wi	So-wi	Chung-wi	Tae-wi
Warant Officer	Ensign	Lieutenant Junior Grade	Lieutenant

So-ryong	Chung-ryong	Tae-ryong
Lieutenant Commander	Commander	Captain

Chun-jang	So-jang	Chung-jang	Tae-jang	Wong-su
Commodore	Rear Admiral	Vice Admiral	Admiral	Fleet Admiral