JBSA Fort Sam Houston, Texas--Command Sgt. Maj. Jayme D. Johnson passes the command guidon to commander of troops Sgt. Maj. Gregory Smith during the Southern Regional Medical Command change of responsibility ceremony on Oct. 8, 2013. Command Sgt. Maj. Johnson assumed the responsibility from Command Sgt. Maj. Marshall L. Huffman, who served as the command sergeant major for both Brooke Army Medical Center and Southern Regional Medical Command for the last two years. U.S. Army photo by Diana L. Struski.