Military Rank Abbreviations

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Understanding military records requires knowing what the abbreviations actually mean. Service files, draft cards, pension records, headstones, and even newspaper notices frequently use shortened rank titles. This quick reference guide lists common military rank abbreviations and their full meanings to help you interpret records accurately and avoid misidentifying service level or status.

Army / General (most commonly seen)

AbbreviationRank
PvtPrivate
PFCPrivate First Class
CplCorporal
SgtSergeant
SSG / S/SgtStaff Sergeant
1SG / 1st SgtFirst Sergeant
MSGMaster Sergeant
2LT / 2nd LtSecond Lieutenant
1LT / 1st LtFirst Lieutenant
CPT / CaptCaptain
MAJ / MajMajor
LTC / Lt ColLieutenant Colonel
COL / ColColonel
BG / Brig GenBrigadier General
MG / Maj GenMajor General
LTG / Lt GenLieutenant General
GENGeneral

Navy / Coast Guard (common)

AbbreviationRank
Seaman / SNSeaman
PO / PO1/PO2/PO3Petty Officer (1st/2nd/3rd class)
CPOChief Petty Officer
SCPOSenior Chief Petty Officer
MCPOMaster Chief Petty Officer
ENSEnsign
LTJGLieutenant (Junior Grade)
LTLieutenant
LCDRLieutenant Commander
CDRCommander
CAPTCaptain
RDMLRear Admiral (Lower Half)
RADMRear Admiral
VADMVice Admiral
ADMAdmiral

Marines / Air Force

AbbreviationRank
LCplLance Corporal
GySgtGunnery Sergeant
2dLt / 2nd LtSecond Lieutenant
1stLtFirst Lieutenant
SSgtStaff Sergeant
TSgtTechnical Sergeant (Air Force)
MSgtMaster Sergeant
CaptCaptain
MajMajor
Lt ColLieutenant Colonel
ColColonel

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