usaf
Học thuậtThân thiện
Definition
Noun: - The airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space: USAF is an acronym that stands for the United States Air Force. It is the aerial and space warfare service branch of the U.S. Armed Forces.
Usage
- As a proper noun: "USAF" is always capitalized and typically used with the definite article "the" when referring to the organization as a whole. It functions as a singular noun.
- Context: The term is used in formal, military, governmental, and historical contexts to refer specifically to this branch of the U.S. military.
Examples
- Noun:
- He served in the USAF for twenty years.
- The USAF deployed new fighter jets to the region.
- A primary mission of the USAF is to maintain air superiority.
Advanced Usage
- Initialism: "USAF" is pronounced by saying each letter: U-S-A-F. It is an initialism, not an acronym pronounced as a word.
- Historical Reference: The term specifically refers to the branch established as a separate service in 1947. Prior to that, it was part of the U.S. Army.
Variants and Related Words
- U.S. Air Force: The spelled-out, formal name of the service branch. This is the full form of the initialism "USAF."
- Air Force: A more general term; when capitalized and used in the U.S. context ("the Air Force"), it is often synonymous with the USAF.
- USAFR: Stands for United States Air Force Reserve.
- USAFE: Stands for United States Air Forces in Europe.
Synonyms
- The Air Force (in a U.S. context)
- U.S. Air Force
Notes
- There are no idioms or phrasal verbs associated with this specific proper noun and initialism. It is used strictly as the name of an organization.
Noun
- the airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space