Navy Ranks

Pay Grade Rate Abbreviation Insignia
E-1 Seaman Recruit SR
none
E-2 Seaman Apprentice SA
E-3 Seaman SN
E-4 Petty Officer
Third Class		 PO3
E-5 Petty Officer
Second Class		 PO2
E-6 Petty Officer
First Class		 PO1
E-7 Chief Petty Officer CPO
E-8 Senior Chief
Petty Officer		 SCPO
E-9 Master Chief
Petty Officer		 MCPO
E-9 Master Chief
Petty Officer
of the Navy		 MCPON


Pay Grade
 Rank
 Abbreviation
 Insignias
W-1
 Chief Warrant Officer 1
 CW01
 No longer used
W-2
 Chief Warrant Officer 2 CW02
W-3
 Chief Warrant Officer 3
 CW03
W-4
 Chief Warrant Officer 4
 CW04
W-5
 Chief Warrant Officer 5 CW05
Pay Grade Rank Abbreviation Insignia
O-1 Ensign ENS
O-2 Lieutenant
Junior Grade		 LTJG
O-3 Lieutenant LT
O-4 Lieutenant
Commander		 LCDR
O-5 Commander CDR
O-6 Captain CAPT
O-7 Rear Admiral
(lower half)		 RDML
O-8 Rear Admiral
(upper half)		 RADM
O-9 Vice Admiral VADM
O-10 Admiral ADM
O-11 Fleet Admiral* FADM


*-Only used during times of war