This 2021 U.S. Armed Forces Silver Medals Program features a 2.5 oz .999 Silver Round that represents the US AIRFORCE. The round is made of silver and has a round shape. It was minted in the United States by the U.S. Mint and has a total precious metal content of 2.5 oz. The round is part of the Bars & Rounds, Silver, Bullion, and Coins & Paper Money categories.