What is the order of ranks in the US Military?

US Air Force

Enlisted Ranks:

  • Airman Basic E-1
  • Airman E-2
  • Airman First Class E-3
  • Senior Airman E-4
  • Staff Sergeant E-5
  • Technical Sergeant E-6
  • Master Sergeant E-7
  • First Sergeant E-7
  • Senior Master Sergeant E-8
  • Chief Master Sergeant E-9
  • Command Chief Master Sergeant E-9
  • Chief Master Sergeant of the Air Force E-9

Officer Ranks:

  • 2nd Lieutenant O-1
  • 1st Lieutenant O-2
  • Captain O-3
  • Major O-4
  • Lieutenant Colonel O-5
  • Colonel 0-6
  • Brigadier General O-7
  • Major General O-8
  • Lieutenant General O-9
  • General 0-10


 

US Army


Enlisted Ranks:
  • E-1 Private - No insignia
  • E-2 Private - One Chevron
  • E-3 Private First Class - One chevron, One Rocker
  • E-4 Specialist Four - Inverted solid insignia with Army Eagle emblem
  • E-4 Corporal - Junior NCO - Two Chevrons
  • E-5 Sergeant - NCO - Three Chevrons
  • E-6 Staff Sergeant - NCO - Three Chevrons, One Rocker
  • E-7 Sergeant First Class - NCO - Three Chevrons, Two Rockers
  • E-8 Master Sergeant - NCO - Three Chevrons, Three Rockers
  • E-8 First Sergeant - NCO - Three Chevron, Three Rockers with a diamond in the center
  • E-9 Sergeant Major - NCO - Three Chevrons, Three Rockers with a star in the center
  • E-9 Command Sergeant Major - NCO - Three Chevrons, Three Rockers with Eagle and Star insignia in the center
  • E-9 Sergeant Major of the Army - NCO - Three Chevrons, Three Rockers with the Army Eagle insignia in the center


Warrant Officers:
  • W1 - Warrant Officer - Silver Bar with one black square.
  • W2 - Chief Warrant Officer One - Silver Bar with two black squares.
  • W3 - Chief Warrant Officer Two - Silver Bar with three black squares.
  • W4 - Chief Warrant Officer Three - Silver Bar with four black squares.
  • W5 - Master Warrant Officer - Silver Bar with single black line.


Officers:
  • O-1 - 2nd Lieutenant - Single brass bar (Gold Bar, or "Butter Bar")
  • O-2 - 1st Lieutenant - Single Silver Bar
  • O-3 - Captain - Two Silver Bars
  • O-4 - Major - Single Brass Oak Leaf Cluster.
  • O-5 - Lt. Colonel - Single Silver Oak Leaf Cluster.
  • O-6 - Colonel - Silver Army Eagle Emblem.
  • O-7 - Brigadier General - Single Silver Star
  • O-8 - Major General - Two silver Stars
  • O-9 - Lt. General - Three Silver Stars
  • O-10 - General - Four Silver Stars
  • O-10 - General of the Army - Five Silver Stars


 

Navy

Enlisted:

  • Seaman Recruit E-1
  • Seaman Apprentice E-2
  • Seaman E-3
  • Petty Officer Third Class E-4
  • Petty Officer Second Class E-5
  • Petty Officer First Class E-6
  • Chief Petty Officer E-7
  • Senior Chief Petty Officer E-8
  • Master Chief Petty Officer E-9
  • Master Chief Petty Officer of the Navy E-9

Warrant Officers:

  • Chief Warrant Officer 2 W-2
  • Chief Warrant Officer 3 W-3
  • Chief Warrant Officer 4 W-4
  • Chief Warrant Officer 5 W-5

Officers:

  • Midshipman (Cadet Rank - Annapolis)
  • Ensign O-1 (one brass/gold bar)
  • Lieutenant Junior Grade O-2 (one silver bar)
  • Lieutenant O-3 (two silver bars)
  • Lieutenant Commander O-4 (one brass/gold oak leaf)
  • Commander O-5 (one silver oak leaf)
  • Captain O-6 (one silver eagle)
  • Rear Admiral Lower Half O-7 (Formerly Commodore); one star
  • Rear Admiral Upper Half O-8; two stars
  • Vice Admiral O-9; three stars
  • Admiral - Chief of Naval Operations O-10; four stars
  • Fleet Admiral (Wartime commission); five stars


 

Marine Corps

  • Private E-1
  • Private First Class E-2
  • Lance Corporal E-3
  • Corporal E-4
  • Sergeant E-5
  • Staff Sergeant E-6
  • Gunnery Sergeant E-7
  • Master Sergeant E-8
  • First Sergeant E-8
  • Master Gunnery Sergeant E-9
  • Sergeant Major E-9
  • Sergeant Major of the Marine Corps E-9

Warrant Officers:

  • Warrant Officer W-1
  • Chief Warrant Officer 2 W-2
  • Chief Warrant Officer 3 W-3
  • Chief Warrant Officer 4 W-4
  • Chief Warrant Officer 5 W-5

Officers:

  • 2nd Lieutenant O-1
  • 1st Lieutenant O-2
  • Captain O-3
  • Major O-4
  • Lieutenant Colonel O-5
  • Colonel O-6
  • Brigadier General O-7
  • Major General O-8
  • Lieutenant General O-9
  • General O-10
  • Commandant of the Marine Corps O-10