Stethoscope Skills Caleb Pettit, a 9-year-old cancer survivor, examines another child with a stethoscope at Joint Base Charleston, S.C., July 20, 2018, while participating in an airman-for-a-day program. SHARE: Download: Full Size (1.54 MB) Tags: Air Force Credit: Senior Airman Christian Sullivan VIRIN: 180620-F-JT564-0359E.JPG Photo Gallery