1st Lt
Military abbreviation · US Air Force and Space Force Rank
| Stands for | First Lieutenant (US Air Force and Space Force) |
|---|---|
| Categories | Military |
1st Lt stands for First Lieutenant (US Air Force and Space Force), a US Air Force and Space Force rank abbreviation.
Junior officer grade O-2 in the Air Force and Space Force, worn as a single silver bar. First lieutenants are typically flight commanders in support units, copilots, or junior engineers and intelligence, space and cyber officers.
Example: 1st Lt Kowalski will serve as deputy flight commander for the deployment.
Usage notes
Promotion to captain usually follows two years later. Written 1st Lt with a space in Air Force style, compared with the Marine Corps 1stLt and Army 1LT. A silver bar outranks a gold bar in US insignia, a common point of confusion.
Related abbreviations
More US Air Force and Space Force rank abbreviations
- 2d Lt – Second Lieutenant (US Air Force and Space Force)
- A1C – Airman First Class
- AB – Airman Basic
- Amn – Airman (US Air Force)
- Brig Gen – Brigadier General (US Air Force and Space Force)
- CAPT – Captain (US Navy and Coast Guard)
- CCM – Command Chief Master Sergeant
- CMSAF – Chief Master Sergeant of the Air Force
- CMSgt – Chief Master Sergeant
- CMSSF – Chief Master Sergeant of the Space Force
- COL – Colonel (US Army)
- GEN – General (US Army)
See all 27 US Air Force and Space Force rank abbreviations →