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  • Air Force
    Air Force
    noun
    the U.S. department consisting of practically all military aviation forces, established July 26, 1947.
  • air force
    air force
Synonyms

Air Force

American  

noun

  1. the U.S. department consisting of practically all military aviation forces, established July 26, 1947.

  2. air force, a similar department in any military organization.

  3. air force, (formerly) the largest unit in the U.S. Army Air Forces.

  4. air force, a unit of U.S. Air Force command between an air division and an air command.

  5. Sometimes air force the military unit of a nation charged with carrying out military operations in the air.

  6. British. Royal Air Force.


air force British  

noun

    1. the branch of a nation's armed services primarily responsible for air warfare

    2. ( as modifier )

      an air-force base

  1. a formation in the US and certain other air forces larger than an air division but smaller than an air command

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Air Force

First recorded in 1915–1920


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

This section leaves us with the idea that something was slowly going wrong with Ewan, who had joined the Royal Air Force Regiment a few years before his death.

From The Wall Street Journal ● Oct. 16, 2026

The 42-year-old took his wife Usha, three of their four children and their dog Atlas on Air Force Two for the flight to Cincinnati, where Vance cast an early vote for the midterms.

From Barron's ● Oct. 10, 2026

In March, small drones flew over Barksdale Air Force Base in Louisiana, home to many B-52 bombers as well as the Global Strike Command, which oversees America’s bomber fleet and its intercontinental-ballistic missiles.

From The Wall Street Journal ● Oct. 8, 2026

RAF Molesworth, formerly a World War II airbase, is now a non-flying facility managed by the US Air Force.

From Barron's ● Oct. 8, 2026

‘Map? I is never hearing these words before. Is this Air Force bean talking slushbungle?’

From "The BFG" by Roald Dahl

RAF Fairford, in the Cotswolds, has been used as a forward operating location by the US air force for decades.

From BBC ● Oct. 12, 2026

Ukraine’s air force said it intercepted 44 of the 70 cruise or ballistic missiles and 117 of the 130 drones.

From The Wall Street Journal ● Oct. 7, 2026

As part of Ukraine's efforts to respond, "robotic turrets are now being installed on bridges", air force spokesman colonel Yuri Ignat told national television.

From Barron's ● Oct. 5, 2026

A Ukrainian air force spokesman declined to comment.

From The Wall Street Journal ● Sep. 29, 2026

And then he’d tell us about how, when he was in the air force and his plane’s engine conked out, he made an emergency landing in a cattle pasture and saved himself and his crew.

From "The Glass Castle" by Jeannette Walls

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