Air Force

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

noun

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

   2. ( as modifier )

      an air-force base

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

Word History and Origins

Origin of Air Force¹

First recorded in 1915–1920

Example Sentences

The project received support from the Australian Research Council and the US Air Force Office of Sponsored Research and aligns with Monash University's broader goal of advancing materials for a low-carbon energy future.

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By the time he retired from the Air Force in 2024, he was a multimillionaire, he said.

Read more on The Wall Street Journal

During a gaggle aboard Air Force One, on the way to his vacation, he told reporters he has a special relationship with Russian President Vladimir Putin.

Read more on Salon

In California, a mechanical issue damaged the engine in Anduril’s unmanned jet fighter Fury in a ground test over the summer ahead of a critical first flight for the Air Force.

Read more on The Wall Street Journal

As well as being used by the Royal Netherlands Air Force, Volkel Air Base hosts a US Air Force squadron as part of Nato.

Read more on BBC