U.S. Air Force Master Sgt. Matthew Erickson, U.S. Air Forces in Europe Band drum major, guides a three nation marching band down Khreschatyk Street to the Maidan during a rehearsal at Kyiv, Ukraine, Aug. 22, 2021. Erickson was given five days to help the 120 multinational band perform and march with little-to-no errors during one of Ukraine’s largest events with over 1 million people watching. (U.S. Air Force photo by Senior Airman Madeline Herzog)