Instrumentalists with the 566th Air Force Band, Illinois Air National Guard, perform "Hark! The Herald Angels Sing" while Christmas caroling at the 182nd Airlift Wing on drill weekend in Peoria, Illinois, Dec. 4, 2022. Air Force bands provide an essential element in maintaining troop morale and esprit de corps of Airmen around the world, including forward deployed locations. (U.S. Air National Guard video by Master Sgt. Lealan Buehrer) More