US Air Force and Space Force Rank Abbreviations

27 abbreviations · part of Military Abbreviations

Rank abbreviations of the US Air Force and the US Space Force, which share one officer rank structure and most senior enlisted titles. Both services write ranks in mixed case without periods (SrA, TSgt, Lt Col, Brig Gen), following the Air Force writing guide known as The Tongue and Quill, and the Air Force uniquely writes second lieutenant as 2d Lt. The Space Force, created in December 2019, uses Specialist 1 through Specialist 4 (Spc1 to Spc4) for its junior enlisted grades and Sergeant (Sgt) at E-5.

AbbreviationStands forDescription
1st LtFirst Lieutenant (US Air Force and Space Force)Junior officer grade O-2 in the Air Force and Space Force, worn as a single silver bar.
2d LtSecond Lieutenant (US Air Force and Space Force)Entry officer rank in the Air Force and Space Force, pay grade O-1, marked by a gold bar.
A1CAirman First ClassAir Force enlisted rank at pay grade E-3, shown by two chevrons around a central star.
ABAirman BasicLowest enlisted rank in the US Air Force, pay grade E-1, worn with no insignia.
AmnAirman (US Air Force)Air Force enlisted rank at pay grade E-2, insignia a single chevron with a star in the center.
Brig GenBrigadier General (US Air Force and Space Force)One-star general officer rank in the Air Force and Space Force, pay grade O-7.
CAPTCaptain (US Navy and Coast Guard)Senior officer rank at pay grade O-6 in the Navy and Coast Guard, insignia a silver eagle or four gold sleeve stripes.
CCMCommand Chief Master SergeantAir Force and Space Force chief master sergeant serving as the senior enlisted leader of a wing, numbered air force, major command or field command, advising the…
CMSAFChief Master Sergeant of the Air ForceSingle most senior enlisted position in the US Air Force, serving as personal adviser to the chief of staff and secretary of the Air Force on enlisted matters.
CMSgtChief Master SergeantHighest regular Air Force and Space Force enlisted rank, pay grade E-9, insignia five chevrons below the star and three above.
CMSSFChief Master Sergeant of the Space ForceSenior enlisted leader of the US Space Force, advising the chief of space operations on the training, readiness and welfare of enlisted Guardians.
COLColonel (US Army)Senior field-grade Army officer, pay grade O-6, whose insignia is a silver eagle.
GENGeneral (US Army)Highest active Army rank, pay grade O-10, worn as four silver stars.
Lt ColLieutenant Colonel (US Air Force and Space Force)Senior officer grade O-5 in the Air Force and Space Force, shown by a silver oak leaf.
Lt GenLieutenant General (US Air Force and Space Force)Three-star general officer rank in the Air Force and Space Force, pay grade O-9, held by commanders of numbered air forces and major field commands, senior Pentagon…
MAJMajor (US Army)First field-grade officer rank in the Army, pay grade O-4, marked by a gold oak leaf.
Maj GenMajor General (US Air Force and Space Force)Two-star general officer rank in the Air Force and Space Force, pay grade O-8, commonly held by numbered air force commanders, major center commanders and senior…
MSgtMaster Sergeant (US Air Force and Space Force)First senior NCO grade in the Air Force and Space Force, pay grade E-7, insignia five chevrons below the star with one chevron above.
SGTSergeant (US Army)First of the Army's sergeant grades, pay grade E-5, worn as three chevrons.
SMSgtSenior Master SergeantSecond-highest enlisted grade, E-8, in the Air Force and Space Force, worn as five chevrons below the star and two above.
Spc1Specialist 1Lowest enlisted rank in the US Space Force, pay grade E-1.
Spc2Specialist 2Space Force enlisted rank at pay grade E-2, held by most Guardians during technical training.
Spc3Specialist 3Space Force enlisted rank at pay grade E-3, the grade at which many Guardians are working their first operational crew positions on satellite command, missile warning…
Spc4Specialist 4Space Force enlisted rank at pay grade E-4, the senior junior-enlisted grade before promotion to sergeant.
SrASenior AirmanAir Force enlisted rank at pay grade E-4, three chevrons around a star.
SSgtStaff Sergeant (US Air Force)First noncommissioned officer grade in the Air Force, pay grade E-5, worn as four chevrons around a star.
TSgtTechnical SergeantPay grade E-6 in both the Air Force and Space Force, worn as five chevrons around a star.

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