With three imperative core values of integrity first, service before self, and excellence in all actions, the U.S. Air Force symbolizes courage. The U.S. Air Force has a global vision to protect our country and our citizens across the world in all airspaces. Embrace the brave, adventurous energy of the U.S. Air Force charm as a loyal testament to the men and women who keep our skies safe. Expandable from 2" to 3.5". Made in the USA. Includes gift box packaging. The royalties help to support morale, welfare, and recreational programs. Manufactured direct from a trusted supplier.