Airmen showcase musical skills at Northwestern University
Senior Master Sergeants Ryan Dolan and Linda Waring sing a duet during The U.S. Air Force Band’s performance at Northwestern University in Evanston, Ill., April 6, 2014. Waring, a native of Hagerstown, Md., is an alto vocalist with the Singing Sergeants, the official chorus of the U.S. Air Force. Dolan, a native of Virginia Beach, Va., is a bass vocalist with the Singing Sergeants. (U.S. Air Force photo/Master Sgt. Tammie Moore)