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United States Air Force

American  

noun

  1. the permanent or regular military air force of the United States, established in 1947 as a separate service under the authority of the Department of Defense: a branch of the U.S. Army before 1947. USAF


Example Sentences

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"A United States Air Force B-52 Stratofortress crashed shortly after takeoff on the Edwards airfield at 11:20 am," the base said on Facebook.

From Barron's Jun. 15, 2026

Ross’ dedicated focus on landscape painting has deep roots in his time spent stationed in Alaska with the United States Air Force, where he eventually rose to the rank of master sergeant.

From Salon May 2, 2026

Crystal Morin joined the United States Air Force, in part, because she wanted to learn a language.

From BBC May 22, 2025

But he concluded that, at the heart of everything, he is a United States Air Force combat pilot.

From Slate Feb. 24, 2025

One year later, the importance of the airplane to US defense was underscored when the Army Air Corps was elevated to the status of an independent branch of the military: the United States Air Force.

From "Hidden Figures" by Margot Lee Shetterly

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