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