Singing Sergeant Air Force Tech. Sgt. Nadia Sosnoski, a soprano assigned to the Air Force’s Singing Sergeants, sings a solo during a performance in La Jolla, Calif., Feb. 15, 2020. SHARE IMAGE: Download Image: Full Size (2.31 MB) Tags: air force Photo By: Air Force Airman 1st Class Spencer Slocum VIRIN: 200215-F-AP370-1262Y.JPG Photo Gallery