Table 1 lists the rank abbreviations in descending order of command authority, while Table 2 lists them in alpha-numberic order, and finally Table 3 lists the ranks by their full title in alphabetical order, providing you with their abbreviation.
Table 1: Rank Abbreviations Listed In Descending Order Of Command Authority
GMC
|
General of the Marine Corps
|
GEN
|
General
|
LTGEN
|
Lieutenant General
|
MGEN
|
Major General
|
BGEN
|
Brigadier General
|
COL
|
Colonel
|
LTC
|
Lieutenant Colonel
|
MAJ
|
Major
|
CPT
|
Captain
|
1LT
|
First Lieutenant
|
2LT
|
Second Lieutenant
|
CSM
|
Command Sergeant Major
|
SM
|
Sergeant Major
|
1SGT
|
First Sergeant*
|
MSGT
|
Master Sergeant
|
SFC
|
Sergeant First Class
|
SSGT
|
Staff Sergeant
|
SGT
|
Sergeant
|
CPL
|
Corporal
|
PFC
|
Private First Class
|
PVT
|
Private PV1 (a recruit with no insignia)
|
PVT
|
Private PV2 (with insignia)
|
SPEC#*
|
Specialist
|
VIP# *
|
Very Important Person (Civilian)
|
CIVI# *
|
Civilian
|
* "#" is the Pay Grade Number, e.g. "SPEC9".
Table 2: Rank Abbreviations Listed In Alpha-Numeric Order
1LT
|
First Lieutenant
|
1SGT
|
First Sergeant*
|
2LT
|
Second Lieutenant
|
BGEN
|
Brigadier General
|
CIVI#
|
Civilian Staff
|
COL |
Colonel
|
CPL
|
Corporal
|
CPT
|
Captain
|
CSM
|
Command Sergeant Major
|
GEN
|
General
|
GMC
|
General of the Marine Corps
|
LTC
|
Lieutenant Colonel
|
LTGEN
|
Lieutenant General
|
MAJ
|
Major
|
MGEN
|
Major General
|
MSGT
|
Master Sergeant
|
PFC
|
Private First Class
|
PVT or PV1
|
Private (Recruit)
|
PVT or PV2
|
Private (single chevron)
|
SFC
|
Sergeant First Class
|
SGT
|
Sergeant
|
SM
|
Sergeant Major
|
SPEC#
|
Specialist
|
SSGT
|
Staff Sergeant
|
VIP#
|
Civilian VIP (Very Important Person)
|
|
Table 3: Full Rank Titles Listed In Alphabetical Order
Brigadier General |
BGEN |
Captain |
CPT |
Civilian Staff |
CIVI# |
Colonel |
COL |
Command Sergeant Major |
CSM |
Corporal |
CPL |
First Lieutenant |
1LT |
First Sergeant* |
1SGT |
General |
GEN |
General of the Marine Corps |
GMC |
Lieutenant Colonel |
LTC |
Lieutenant General |
LTGEN |
Major |
MAJ |
Major General |
MGEN |
Master Sergeant |
MSGT |
Private |
PVT or PV2 |
Private (Recruit) |
PVT or PV1 |
Private First Class |
PFC |
Second Lieutenant |
2LT |
Sergeant |
SGT |
Sergeant First Class |
SFC |
Sergeant Major |
SM |
Specialist |
SPEC# |
Staff Sergeant |
SSGT |
Very Important Person (Civilian) |
VIP# |
|
* The rank of First Sergeant (1SGT) is an appointment, with no more than one per Regiment.
Although in practise it is regarded as equal to that of Sergeant Major (SM), it officially has no command authority outside of its specific assignment, which is to serve as the units senior administrative officer (S1) or as their chief assistant if a commissioned officer has been appointed to that task.
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