Admiral of the Fleet

Admiral
Adm.

Vice Admiral
VAdm.

Rear Admiral
RAdm.

Captain
Capt.

Commander
Cdr.

Lieutenant Commander
LCdr.

Lieutenant
Lt.

Lieutenant Junior Grade
Lt.JG.

Sub Lieutenant
SubLt.

Chief Petty Officer 1st Class
CPO 1

Chief Petty Officer 2nd Class
CPO 2

Chief Petty Officer 3rd Class
CPO 3

Petty Officer 1st Class
PO 1

Petty Officer 2nd Class
PO 2

Petty Officer 3rd Class
PO 3

Seaman