Korean slang profile
유에이
yuei
Unit of action
An English abbreviation for a unit of action applying a future combat system.
- Expanded form
- Unit of ActionUnit of Action
- Other spellings
- UA
- Earliest source found
- 2004
- Documented trend period
- Not verified
This is the earliest source we have verified, not the date the term was coined.
01Examples, with English translations
- Example by Julimmal
군사 용어를 정리하면서 유에이의 원형을 확인했다.
I checked 유에이’s expanded form while organizing military terms.
02Documented history
- 2004The National Institute of Korean Language’s 2004 new-word collection lists the headword “유에이” and its definition.[1]
03Origin & word formation
The collection gives UA’s expanded English initials and links it to the same meaning as 행동 부대, unit of action. Who first used it and when have not been verified.
Evidence for the origin explanationHigh
The headword, definition, and source-language spelling in the 2004 collection were compared. The original older articles re-quoted there were not directly opened, so their dates were not used for firstSeen. The first coinage and spread remain unverified. This is the military-organization term explained by the source at the time; current force-structure naming has not been verified.
04Sources
Original titles and links are preserved. An English translation does not replace the original source.
- 2004년 신어 (국립국어원)Published 2004Original source checked Nov 14, 2026