Air Force Staff Sgt. Cassidy McCurdy, 51st Medical Group independent medical duty technician, provides cardiopulmonary resuscitation to a training manikin at Osan Air Base, Republic of Korea, Dec. 21, 2017. McCurdy has more than five years of experience through the USAF in the medical field including two years as an IDMT. While on a flight from San Francisco to Seattle, she responded to a victim who went into cardiac arrest by providing CPR and stabilizing the victim. Once the aircraft landed, emergency responders from the ground transported the patient to the emergency room. Air Force photo by Staff Sgt. Franklin R. Ramos