Chief Master Sgt. Angela Burns performs during a concert featuring the U.S. Air Force Band’s Concert Band and Singing Sergeants at the College of DuPage in Glen Ellyn, Ill, April 4, 2014. Burns a native of Wilmington, N.C., is an alto vocalist and the flight chief of the Singing Sergeants. She began her Air Force career in 1994. (U.S. Air Force photo/Master Sgt. Tammie Moore)