Military Rank Abbreviations

Article 3 min
Use this table to find the appropriate abbreviation for the following service's rank: Air Force, Army, Marines, Navy & Coast Guard.

These abbreviations are taken directly from the DoD Visual Information Style GuideReference the table below to identify the correct abbreviation for each service.

Army

Army
GRADE RANK ABBREVIATION
O-10 general Gen.
O-9 lieutenant general Lt. Gen.
O-8 major general Maj. Gen.
O-7 brigadier general Brig. Gen.
O-6 colonel Col.
O-5 lieutenant colonel Lt. Col.
O-4 major Maj.
O-3 captain Capt.
O-2 first lieutenant 1st Lt.
O-1 second lieutenant 2nd Lt.
W-5 chief warrant officer 5 Chief Warrant Officer 5
W-4 chief warrant officer 4 Chief Warrant Officer 4
W-3 chief warrant officer 3 Chief Warrant Officer 3
W-2 chief warrant officer 2 Chief Warrant Officer 2
W-1 warrant officer  Warrant Officer
E-9 sergeant major of the Army Sgt. Maj. of the Army
E-9 command sergeant major Command Sgt. Maj.
E-9 sergeant major  Sgt. Maj
E-8 first sergeant 1st Sgt.
E-8 master sergeant Master Sgt.
E-7 sergeant first class  Sgt. 1st Class
E-6 staff sergeant  Staff Sgt.
E-5 sergeant  Sgt.
E-4 corporal Cpl.
E-4 specialist  Spc.
E-3  private first class Pfc.
E-2 private  Pvt. 
E-1 private  Pvt. 

Air Force

Air Force
GRADE RANK ABBREVIATION
O-10 general Gen.
O-9 lieutenant general Lt. Gen.
O-8 major general  Maj. Gen.
O-7 brigadier general  Brig. Gen.
O-6 colonel Col. 
O-5 lieutenant colonel  Lt. Col.
O-4 major Maj. 
O-3 captain Capt.
O-2 first lieutenant 1st Lt. 
O-1 second lieutenant 2nd Lt. 
E-9 chief master sergeant of the Air Force Chief Master Sgt. of the Air Force
E-9 command chief master sergeant Command Chief Master Sgt.
E-9 chief master sergeant Chief Master Sgt.
E-8 senior master sergeant Senior Master Sgt.
E-7 master sergeant Master Sgt.
E-6 technical sergeant  Tech. Sgt.
E-5 staff sergeant  Staff Sgt.
E-4 senior airman Senior Airman
E-3 airman first class Airman 1st Class
E-2 airman Airman
E-1 airman basic Airman

Marines

Marines
GRADE RANK ABBREVIATION
O-10 general Gen.
O-9 lieutenant general Lt. Gen.
O-8 major general  Maj. Gen.
O-7 brigadier general  Brig. Gen.
O-6 colonel Col. 
O-5 lieutenant colonel  Lt. Col.
O-4 major Maj. 
O-3 captain Capt.
O-2 first lieutenant 1st Lt. 
O-1 second lieutenant 2nd Lt. 
W-5 chief warrant officer 5 Chief Warrant Officer 5
W-4 chief warrant officer 4 Chief Warrant Officer 4
W-3 chief warrant officer 3 Chief Warrant Officer 3
W-2 chief warrant officer 2 Chief Warrant Officer 2
W-1 warrant officer  Warrant Officer
E-9 sergeant major of the Marine Corps Sgt. Maj. of the Marine Corps
E-9 sergeant major Sgt. Maj.
E-9 master gunnery sergeant Master Gunnery Sgt.
E-8 first sergeant 1st Sgt.
E-8 master sergeant Master Sgt.
E-7 gunnery sergeant Gunnery Sgt.
E-6 staff sergeant  Staff Sgt.
E-5 sergeant  Sgt.
E-4 corporal Cpl.
E-4 lance corporal Lance Cpl.
E-4 private first class Pfc.
E-4 private Pvt.

Navy & Coast Guard

Navy
GRADE RANK ABBREVIATION
O-10 admiral Adm.
O-9 vice admiral Vice Adm.
O-8 rear admiral Rear Adm.
O-7 rear admiral Rear Adm.
O-6 captain Capt. 
O-5 commander Cmdr.
O-4 lieutenant commander Lt. Cmdr. 
O-3 lieutenant Lt.
O-2 lieutenant junior grade Lt. j.g.
O-1 ensign Ensign
W-5 chief warrant officer 5 Chief Warrant Officer 5
W-4 chief warrant officer 4 Chief Warrant Officer 4
W-3 chief warrant officer 3 Chief Warrant Officer 3
W-2 chief warrant officer 2 Chief Warrant Officer 2
E-9 master chief of the Navy Master Chief  Petty Officer  of the Navy/ Master Chief  Petty Officer of  the Coast Guard
E-9 master chief petty officer Master Chief Petty Officer
E-8 senior chief petty officer Senior Chief Petty Officer
E-7 chief petty officer  Chief Petty Officer
E-6 petty officer first class  Petty Officer 1st Class
E-5 petty officer second class  Petty Officer 2nd Class
E-4 petty officer third class Petty Officer 3rd Class
E-3 seaman Seaman
E-2 seaman apprentice Seaman Apprentice
E-1 seaman recruit Seaman Recruit

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