U.S. Air Force Senior Airman Paola Maldonado, 633rd Medical Operations Squadron cardiopulmonary laboratory technician, uses an echocardiogram on a simulated patient during a training session at Langley Air Force Base, Va., Aug. 6, 2014. The ultrasound measures chamber sizes and blood-flow of the heart to diagnose potential health issues. Maldonado hails from San Antonio. (U.S. Air Force photo by Senior Airman Connor Estes/Released)

U.S. Air Force Senior Airman Andrij Bondarenko, 633rd Medical Services Squadron pharmacy technician, injects medicine into an intravenous bag at Langley Air Force Base, Va., Aug. 6, 2014. To protect patients’ health, IV bags must be prepared in a sanitary container to ensure no contaminants enter the blood. Bondarenko hails from Sandusky, Ohio. (U.S. Air Force photo by Senior Airman Connor Estes/Released)

U.S. Air Force Senior Airman Robert Hart, 633rd Medical Operations Squadron cardiopulmonary laboratory technician, intubates a medical mannequin to simulate opening an airway at Langley Air Force Base, Va., Aug. 6, 2014. Intubation is the placement of a tube into the trachea of those who are unconscious or unable to maintain the airway. (U.S. Air Force photo by Senior Airman Connor Estes/Released)

U.S. Air Force Staff Sgt. Courtney Carrothers, 633rd Medical Services Squadron pharmacy technician, prepares a mixture of medicines for patients at Langley Air Force Base, Va., Aug. 6, 2014. Pharmacy technicians are responsible for preparing medications for patient consumption under the guidance of a pharmacist. Carrothers hails from Toledo, Ohio. (U.S. Air Force photo by Senior Airman Connor Estes/Released)