Retired Col. Arnold D. Gabriel, former U.S. Air Force Band commander, takes a bow next to Gen. David L. Goldfein, Chief of Staff of the Air Force, after conducting a performance during the POW/MIA and Air Force Birthday event at the Air Force Memorial in Arlington, Va., Sept. 16, 2016. Gabriel, an Air Force veteran who served in World War II and has two bronze stars, was honored at the event.