U.S. Army Staff Sgt. Claudia Huerta, a drill sergeant with Charlie Company, 4-39 Infantry Battalion, 165th Inf. Brigade at Fort Jackson, South Carolina, practices CPR and lifesaving procedures before being tested during the Expert Soldier Badge course at Joint Base Langley-Eustis, Virginia, Nov. 18, 2019. To be awarded the ESB, Soldiers must pass 30 tasks designed to enhance the lethality and readiness of the force. (U.S. Air Force photo by Senior Airman Derek Seifert)