United States Air Force Rank Insignia
Enlisted
NO INSIGNIA - Airman Basic (AB) (E-1)

Airman (Amn) (E-2)

Airman First Class (A1C) (E-3)

Senior Airman (SrA) (E-4)
Non-Commissioned Officer (E-5 - E-6)

Staff Sergeant (SSgt) (E-5)

Technical Sergeant (TSgt) (E-6)
Senior Non-Commissioned Officer (E-7 - E-9)

Master Sergeant (MSgt) (E-7)

Senior Master Sergeant (SMSgt) (E-8)

Chief Master Sergeant (CMSgt) (E-9)

Chief Master Sergeant of the Air Force (CMSAF) (E-9)
Commissioned Officer
Company Grade Officer (O-1 - O-3)

Second Lieutenant (2Lt) (O-1)

First Lieutenant (1Lt) (O-2)

Captain (Capt) (O-3)
Field Grade Officer (O-4 - O-6)

Major (Maj) (O-4)

Lieutenant Colonel (Lt Col) (O-5)

Colonel (Col) (O-6)
Flag Officer (O-7 - O-10)

Brigadier General (Brig Gen) (O-7)

Major General (Maj Gen) (O-8)

Lieutenant General (Lt Gen) (O-9)

General (Gen) (O-10)

General of the Air Force (GenAF) (O-10)
(Only used in wartime - most likely a world war)
(Only used in wartime - most likely a world war)