MDS Commander retires after 28 years
Col. Michael D. Nelson, 433rd Medical Squadron commander, listens to remarks during his retirement ceremony May 5, 2018 at Joint Base San Antonio, Texas. Nelson's career in the United State Air Force began as enlisted member in January 1987. (U.S. Air Force phot by Tech. Sgt. Carlos J. Trevino)

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Photo by: Tech. Sgt. Carlos J. Trevino |  VIRIN: 180505-F-DM793-011.JPG