U.S. Air Force Staff Sgt. Brianna Rojas, 633d Medical Group medical technician, monitors breathing levels of a patient simulator during the Tactical Combat Casualty Care exercise at Joint Base Langley-Eustis, Virginia, Sept. 9, 2022. Rojas’ role in the field hospital training section was to track her patient’s vital signs and communicate to her team of any changes in order to provide precise and expedient care. (U.S. Air Force photo by Senior Airman Chloe Shanes)