Cadet Knowledge

Enlisted Ranks and Rates

Cadet Enlisted Ranks

Collar Insignia

Rank

Seaman Recruit

Seaman Apprentice

Seaman

Petty Officer 3rd Class

Petty Officer 2nd Class

Petty Officer 1st Class

Chief Petty Officer

Senior Chief Petty Officer

Master Chief Petty Officer

Abbreviation

C/SR

C/SA

C/SN

C/PO3

C/PO2

C/PO1

C/CPO

C/SCPO

C/MCPO

Rate

E-1

E-2

E-3

E-4

E-5

E-6

E-7

E-8

E-9