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Maj. Cynthia Yap, 81st Inpatient Operations Squadron Maternal Child Flight commander, left, describes how obstetric patient simulator “Katrina” is used to train the flight staff in one of the unit’s labor, delivery, recovery and post-partum rooms during the Aug. 22, 2014 Air Force Society of Retired Nurses visit. (U.S. Air Force photo by Steve Pinick)