Enlisted

No insignia	E-1 Seaman Recruit		E-6 Petty Officer First Class
	E-2 Seaman Apprentice		E-7 Chief Petty Officer
	E-3 Seaman		E-8 Senior Chief Petty Officer
	E-4 Petty Officer Third Class		E-9 Master Chief Petty Officer
	E-5 Petty Officer Second Class

 

Warrant Officer

	W-2 Chief Warrant Officer 2		W-4 Chief Warrant Officer 4
	W-3 Chief Warrant Officer 3

Officer

	O-1 Ensign		0-6 Captain
	O-2 Lieutenant Junior Grade		O-7 Rear Admiral (lower half)
	O-3 Lieutenant		O-8 Rear Admiral (upper half)
	O-4 Lieutenant Commander		O-9 Vice Admiral
	O-5 Commander		0-10 Admiral