The U.S. Air Force Band Strings Quartet plays music during the National Capital Region 76th Air Force’s Birthday Ball at the Steven F. Udvar-Hazy Center in Chantilly, Va., Sep. 16, 2023. The Air Force Strings is stationed at Joint Base Anacostia-Bolling, Washington, D.C., and is one of six musical ensembles that form the U.S. Air Force Band. (U.S. Air Force photo by Airman 1st Class Gianluca Ciccopiedi)