September 13, 2021: Command Sgt. Maj. Petra M. Casarez assumed responsibility as Command Sergeant Major of Joint Munitions Command, Rock Island Arsenal, Illinois. Prior to her current posting, CSM Casarez was command sergeant major of the U.S. Army Ordnance Corps, Fort Lee, Virginia. Her assignments include 27th Main Support Battalion, Fort Hood, Texas; 122nd Signal Battalion, Camp Red Cloud, Korea; 208th Finance Battalion/Orphan Unit Maintenance under U.S. Army Europe, Mannheim, Germany; 187th Ordnance Battalion, Fort Jackson, South Carolina; 143rd Ordnance Battalion, Edgewood, Maryland; 299th Forward Support Battalion, Schweinfurt, Germany; 172nd Support Battalion, Schweinfurt, Germany; Army Field Support Battalion-Korea, Camp Casey, Korea; Headquarters and Headquarters Battalion, 2nd Infantry Division, Camp Red Cloud, Korea; Headquarters and Headquarters Battalion, 3rd Infantry Division, Fort Stewart, Georgia; 403rd Army Field Support Brigade, Camp Henry, Korea; and Headquarters, U.S. Army Materiel Command, Redstone Arsenal, Alabama. She replaced Command Sgt. Maj. Brian J. Morrison, who had served in the position since February 2020. As his next assignment, CSM Morrison will take the senior enlisted position at Military Surface Deployment and Distribution Command, Scott Air Force Base, Illinois.