Check the listing for details. 57th Wing USAF Weapons School Red Flag Thunderbird America’s Edge Challenge Coin. Condition: Used, Made in United States. Listed at 149.99 USD. 57th Wing USAF Weapons School Red Flag Thunderbird America’s Edge Challenge Coin Expanding Combat Capability Units represented on this coin include: 57th Wing 57th Operations Group 57th Adversary Tactics Group USAF Advanced Maintenance And Munitions Operations School (AMMOS) USAF Air Demonstration Squadron - Thunderbirds 561st Joint Tactics Squadron Black Knights 57th Maintenance Group U.S. Air Force Weapons School This rare coin was part of a collection owned by a retired NORAD Chief. Don’t miss this opportunity to add this beautiful coin to your collection.