Air Force Challenge Coins have been traded and collected by airman for over a decade. The military challenge coin is an American military tradition meant to instill unit pride, improve esprit d corps and reward hard work and excellence. Our wide selection of air force challenge coins can be squadron specific, appeal to the Air Force as a whole or be for family members & supporters. The air force challenge coins are extremely well-made and the coloring and details are sure to impress. Whether you are an Air Force Veteran, Retired Air Force, currently serving or support those who are, we have a challenge coin for you.