Chief Dixon STEPs into new stripes Published Oct. 5, 2020 By Senior Airman Monet Villacorte 433rd Airlift Wing JOINT BASE SAN ANTONIO-LACKLAND, Texas -- Chief Master Sgt. Howard Dixon, 433rd Medical Squadron nurse services superintendent, celebrated his promotion to chief master sergeant with family, friends, and coworkers here Oct. 3. Col. Bradley G. Butler, 433rd MDS commander, officiated the ceremony, which was held in the Robert D. Gaylor Noncommissioned Officer Academy. Dixon is one of two 433rd Airlift Wing Airmen to be promoted to chief master sergeant under the Stripes for Exceptional Performers II program this year.