Tech. Sgt. Kassandra Derlein, Patient Decontamination Course instructor, assists a student with donning personal protective equipment at the 59th Medical Readiness Training Center, Joint Base San Antonio-Camp Bullis, Texas, Sept. 1, 2021. The MRTC offers five full-spectrum medical readiness training courses for all levels of medical knowledge, from brand-new Air Force Medical Service Airmen to experienced surgeons. (U.S. Air Force photo by Staff Sgt. Amanda Stanford)