Limited Stock Minted! Don't miss your chance to acquire this limited edition, Tuskegee Airmen Challenge Coin. The challenge coin is part of a military tradition, particularly popular among aviation units. Its purpose is to promote unit cohesion, morale, and camaraderie. This particular item was minted back in 2016, to mark the 75th Anniversary of the beginning of the Tuskegee Experience. To learn how it works, ask an active duty military member or a veteran and be prepared to join the fun.