Military Ranks Summary - U.S. Armed Forces

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Grade	Abbr.	ARMY	MARINES	AIR FORCE	NAVY COAST GUARD
Officers
O10	GEN	General	General	General	Admiral
O9	LTG	Lieutenant General	Lieutenant General	Lieutenant General	Vice Admiral
O8	MG	Major General	Major General	Major General	Rear Admiral- Upper H
O7	BG	Brigadier General	Brigadier General	Brigadier General	Rear Admiral- Lower H
O6	COL	Colonel	Colonel	Colonel	Captain
O5	LTC	Lieutenant Colonel	Lieutenant Colonel	Lieutenant Colonel	Commander
O4	MAJ	Major	Major	Major	Lieutenant Commander
O3	CPT	Captain	Captain	Captain	Lieutenant
O2	1LT	1st Lieutenant	1st Lieutenant	1st Lieutenant	Lieutenant Junior Grade
O1	2LT	2nd Lieutenant	2nd Lieutenant	2nd Lieutenant	Ensign
Warrant Officers
W5	CW5	Chief Warrant Officer 5	Chief Warrant Officer 5	-	-
W4	CW4	Chief Warrant Officer 4	Chief Warrant Officer 4	-	Chief Warrant Officer 4
W3	CW3	Chief Warrant Officer 3	Chief Warrant Officer 3	-	Chief Warrant Officer 3
W2	CW2	Chief Warrant Officer 2	Chief Warrant Officer 3	-	Chief Warrant Officer 2
W1	WO	Warrant Officer 1	Warrant Officer 1	-	-
Enlisted Ranks
E9		Sargeant Major	Sargeant Major	Chief Master Sargeant	Master Chief Petty Officer
E8		Master Sargeant	Master Sargeant	Senior Master Sargeant	Sen. Chief Petty Officer
E7		Sargeant 1st Class	Gunnary Sargeant	Master Sargeant	Chief Petty Officer
E6		Staff Sargeant	Staff Sargeant	Technical Sargeant	Petty Officer 1st Class
E5		Sergeant	Sergeant	Staff Sargeant	Petty Officer 2nd Class
E4		Corporal	Corporal	Senior Airman	Petty Officer 3rd Class
E3		Private 1st Class	Lance Corporal	Airman 1st Class	Seaman
E2		Private E2	Private 1st Class	Airman	Seaman Apprentice
E1		Private	Private	Airman Basic	Seaman Recruit