Dr. Adolfo Miguel Valadez, Department of State Health Services (DSHS) assistant commissioner for Prevention and Preparedness Services, and Evelyn Delgado, DSHS assistant commissioner for Family Community Health Services, listen to Chief Master Sgt. Rodney Christa, 433rd Aerospace Evacuation Squadron superintendent, brief them about the C-17 aircraft prior to takeoff. Colonel McNabb and the DSHS guests boarded the C-17 at Lackland Air Force Base Feb. 7 to learn about the aircraft and its medical evacuation capabilities. (TXMF photo by Tech. Sgt. Rene Castillo)
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