Air Force officer ranks are divided into three sections: company grade, field grade and general officers. Company grade officers are those officers in grades O-1 to O-3, field grade officers are grades O-4 to O-6 and general officers are O-7 and above.
Air Force Officer Ranks: Company Grade
Second Lieutenant (2nd Lt)(O1)
The rank of second lieutenant is shown through a single gold bar. Proper forms of address include second lieutenant or lieutenant. Commissioned airmen sometimes may skip this rank.
First Lieutenant (1st Lt)(O2)
First lieutenants have roughly the same responsibilities as a second lieutenant, but receive higher pay and are given more responsibility.
Captain (Capt)(O3)
Captains typically are assigned to and have authority over a flight. In such a position, they are referred to as the flight commander.
Air Force Field Grade Officers
Major (Maj)(O4)
A junior field officer rank, majors in the Air Force often operate as main staff officers on brigade-sized forces.
Lieutenant Colonel (Lt Col)(O5)
The 21st rank in the U.S. Air Force, a lieutenant colonel is responsible for commanding a medical or support group, a squadron or directing ops in the operations group.
Colonel (Col)(O6)
Colonels in the Air Force serve in a number of different roles. Some command elements of a wing while others serve as heads of staff in different Air Force staff agencies.
Air Force Officer Ranks: General Officers
Brigadier General (Brig Gen)(O7)
Becoming a brigadier general is an arduous process. It begins with a board of general officers creating a list of candidates and ends with the president choosing those to be promoted from that pool. Brigadier generals must retire after 30 years of service or after five years in their rank.
Major General (Maj Gen)(O8)
A two-star rank in the Air Force, the promotion to major general is mostly similar to the process in becoming a brigadier general.
Lieutenant General (Lt Gen)(O9)
Lieutenant generals are picked by the president from the existing pool of Air Force general officers.
General (Gen)
The four-star position typically commands major areas of responsibility and holds the highest military positions in the Pentagon.
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