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Step 8: Raise your right hand

Rank Structure
Below are the ranks and insignia for all enlisted, warrant officer, and commissioned officer ranks in the Air Force, Army, Coast Guard, Marine Corps, and Navy.

Note: The Army National Guard uses the same rank structure and insignias as the Army and the Air Guard uses the same insignias as the Air Force.

Millitary Rank and Grade Insignia Charts:

Army, Navy and Marine Corps Enlisted Insignias
Coast Guard and Air Force Enlisted Insignias
Warrant and Commissioned Warrant Officers
(Air Force does not have Warrant Officers)
Army, Navy and Marine Corps Officer Insignias
Coast Guard and Air Force Officer Insignias

Enlisted Ranks

	ARMY		NAVY		MARINE CORPS
E1	Private		Seaman Recruit (SR)		Private
E2	Private E-2 (PV2)		Seaman Apprentice (SA)		Private First Class (PFC)
E3	Private First Class (PFC)		Seaman (SN)		Lance Corporal (LCpl)
E4	Corporal (CPL)	Specialist (SPC)	Petty Officer Third Class (PO3)		Corporal (Cpl)
E5	Sergeant (SGT)		Petty Officer Second Class (PO2)		Sergeant (Sgt)
E6	Staff Sergeant (SSG)		Petty Officer First Class (PO1)		Staff Sergeant (SSgt)
E7	Sergeant First Class (SFC)		Navy Chief Petty Officer (CPO)		Gunnery Sergeant (GySgt)
E8	Master Sergeant (MSG)	First Sergeant (1SG)	Senior Chief (SCPO)		Master Sergeant (MSgt)	First Sergeant
E9	Sergeant Major (SGM)	Command Sergeant Major (CSM)	Master Chief (MCPO)	Fleet Master Chief	Sergeant Major (SgtMaj)	Master Gunnery Sergeant MGySgt)
E9S	Sergeant Major of the Army (SMA)		Master Chief Petty Officer of the Navy (MCPON)		Sergeant Major of the Marine Corps (SgtMajMC)

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	COAST GUARD		AIR FORCE
E1	Seaman Recruit (SR)		Airman Basic
E2	Seaman Apprentice (SA)		Airman (Amn)
E3	Seaman (SN)		Airman First Class (A1C)
E4	Petty Officer Third Class (PO3)		Senior Airman (SrA)
E5	Petty Officer Second Class (PO2)		Staff Sergeant (SSgt)
E6	Petty Officer First Class (PO1)		Technical Sergeant (TSgt)
E7	Coast Guard Chief Petty Officer (CPO)		Master Sergeant (MSgt)		First Sergeant (E-7)
E8	Senior Chief (SCPO)		Senior Master Sergeant (SMSgt)		First Sergeant (E-8)
E9	Master Chief (MCPO)	Command Master Chief	Chief Master Sergeant (CMSgt)	First Sergeant (E-9)		Command Chief Master Sergeant (CCM)
E9S	Master Chief Petty Officer of the Coast Guard (MCPOCG)		Chief Master Sergeant of the Air Force (CMSAF)

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Officer Ranks

	ARMY	NAVY	MARINE CORPS
O1	Second Lieutenant 2LT	Ensign ENS	Second Lieutenant 2nd Lt.
O2	First Lieutenant 1LT	Lieutenant Junior Grade LTJG	First Lieutenant 1st Lt.
O3	Captain CPT	Lieutenant LT	Captain Capt.
O4	Major MAJ	Lieutenant Commander LCDR	Major Maj.
O5	Lieutenant Colonel LTC	Commander CDR	Lieutenant Colonel Lt. Col.
O6	Colonel COL	Captain CAPT	Colonel Col.
O7	Brigadier General BG	Rear Admiral Lower Half RADM (LH)	Brigadier General Brig. Gen.
O8	Major General MG	Rear Admiral Upper Half RADM (UH)	Major General Maj. Gen.
O9	Lieutenant General LTG	Vice Admiral VADM	Lieutenant General Lt. Gen.
O10	General GEN Army Chief of Staff	Admiral ADM Chief of Naval Operations	General Gen. Commandant of the Marine Corps
	General of the Army (Reserved for wartime only)	Fleet Admiral (Reserved for wartime only)

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	COAST GUARD	AIR FORCE
O1	Ensign ENS	Second Lieutenant 2nd Lt.
O2	Lieutenant Junior Grade LTJG	First Lieutenant 1st Lt.
O3	Lieutenant LT	Captain Capt.
O4	Lieutenant Commander LCDR	Major Maj.
O5	Commander CDR	Lieutenant Colonel Lt. Col.
O6	Captain CAPT	Colonel Col.
O7	Rear Admiral Lower Half RADM (LH)	Brigadier General Brig. Gen.
O8	Rear Admiral Upper Half RADM (UH)	Major General Maj. Gen.
O9	Vice Admiral VADM	Lieutenant General Lt. Gen.
O10	Admiral ADM Commandant of the Coast Guard	General Gen. Air Force Chief of Staff
		General of the Air Force (Reserved for wartime only)

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	ARMY	NAVY	COAST GUARD	MARINE CORPS
W1	Warrant Officer 1 WO1	USN Warrant Officer 1 — WO1		Warrant Officer 1 WO
W2	Chief Warrant Officer 2 CW2	USN Chief Warrant Officer 2 — CWO2	USCG Chief Warrant Officer 2 — CWO2	Chief Warrant Officer 2 CWO2
W3	Chief Warrant Officer 3 CW3	USN Chief Warrant Officer 3 — CWO3	USCG Chief Warrant Officer 3 — CWO3	Chief Warrant Officer 3 CWO3
W4	Chief Warrant Officer 4 CW4	USN Chief Warrant Officer 4 — CWO4	USCG Chief Warrant Officer 4 — CWO4	Chief Warrant Officer 4 CWO4
W5	Chief Warrant Officer CW5	USN Chief Warrant Officer — CWO5		Chief Warrant Officer 5 CWO5