US Army Ranks

The chart below represents the current enlisted rank insignia of the United States Army.

US DoD Pay grade	E-1	E-2	E-3	E-4		E-5	E-6	E-7	E-8		E-9
Insignia	No Insignia
Title	Private	Private	Private First Class	Specialist	Corporal	Sergeant	Staff Sergeant	Sergeant First Class	Master Sergeant	First Sergeant	Sergeant Major	Command Sergeant Major	Sergeant Major of the Army
Abbreviation	PV1	PV2	PFC	SPC1	CPL	SGT	SSG	SFC	MSG	1SG	SGM	CSM	SMA
NATO Code	OR-1	OR-2	OR-3	OR-4	OR-4	OR-5	OR-6	OR-7	OR-8	OR-8	OR-9	OR-9	OR-9
1 SP4 is no longer an acceptable abbreviation for Specialist.

All enlisted ranks of corporal and higher are considered non-commissioned officers (NCOs).

Privates (E1 and E2) and privates first class (E3) are addressed as 'Private (last name)', specialists as 'Specialist (last name)', corporals as 'Corporal (last name)', and sergeants, staff sergeants, sergeants first class, and master sergeants all as 'Sergeant (last name).' First sergeants are addressed as 'First Sergeant (last name)', and sergeants major and command sergeants major are addressed as 'Sergeant Major (last name)'.

The chart below represents the current Warrant Officer rank insignia of the United States Army.

US DoD pay grade	W-1	W-2	W-3	W-4	W-5
Insignia
Title	Warrant Officer 1	Chief Warrant Officer 2	Chief Warrant Officer 3	Chief Warrant Officer 4	Chief Warrant Officer 5
Abbreviation	WO1	CW2	CW3	CW4	CW5
NATO Code	WO-1	WO-2	WO-3	WO-4	WO-5

Warrant officers are single track, specialty officers with subject matter expertise in a particular area. They are initially appointed as warrant officers (in the rank of WO1) by the Secretary of the Army, but receive their commission upon promotion to chief warrant officer two (CW2).

By regulation, a Warrant Officer 1 is addressed as 'Mr. (last name)' or 'Ms. (last name) or sir/ma'am. Upon promotion to Chief Warrant Officer 2, 'Mr. or Ms. (last name)' the term "Chief" is introduced as an additional term of address although this is an unofficial title.

The chart below represents the current officer rank insignia of the United States Army.

US DoD Pay Grade	O-1	O-2	O-3	O-4	O-5	O-6	O-7	O-8	O-9	O-10
Insignia
Army Service Uniform Insignia
Title	Second lieutenant	First lieutenant	Captain	Major	Lieutenant colonel	Colonel	Brigadier general	Major general	Lieutenant general	General
Abbreviation	2LT	1LT	CPT	MAJ	LTC	COL	BG	MG	LTG	GEN
NATO Code	OF-1	OF-2	OF-3	OF-4	OF-5	OF-6	OF-7	OF-8	OF-9	OF-10

Army regulations call for addressing all personnel with the rank of general as 'General (last name)' regardless of the number of stars. Likewise, both colonels and lieutenant colonels are addressed as 'Colonel (last name)' and first and second lieutenants as 'Lieutenant (last name).'