U.S. Department of War

02/19/2026 | Press release | Distributed by Public on 02/20/2026 18:06

Senior Enlisted Leader Assignment

The Office of the Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff announced today the following assignment:

U.S. Army Command Sergeant Major Brian J. Morrison has been selected to replace U.S. Navy Command Master Chief Mario "Rio" Rivers as the Command Senior Enlisted Leader, Defense Commissary Agency (DECA).

CSM Morrison currently serves as the Command Sergeant Major for 8th Theater Sustainment Command and previously served as the Command Sergeant Major for Military Surface Deployment & Distribution Command. CSM Morrison brings a wealth of joint and logistics experience to DECA.

On behalf of the Joint Force, we are grateful for CMDCM Rivers' leadership by example, his lengthy career dedicated to serving our Nation and our military, and the unwavering commitment and sacrifice by him and his family.

  • SEAC David L. Isom
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