The 204th was one of 20 new nondivisional units allotted to the Mississippi Army National Guard several weeks earlier on 16 March.

The group conducted two weeks of summer training that year at Fort McClellan with the other nondivisional Mississippi Army National Guard units.

[5] On 15 June 1954 the Vicksburg-based Headquarters and Service Company and Medical Detachment of the 106th Engineer Battalion of the 31st Infantry Division were consolidated into the 168th Engineer Group headquarters when the former returned to state control following the Korean War mobilization of the division.

[10][11] Notified of a deployment to Afghanistan, the roughly 139-strong brigade headquarters departed for pre-deployment training at Camp Shelby in December of that year.

[12] The brigade headquarters coordinated engineer operations in Paktika and Parwan Provinces while in-country between 1 March and 19 November 2009, and was awarded a Meritorious Unit Commendation for its performance.