The Division's 2nd Brigade was assigned to the Selected Reserve Force, a higher-readiness component of the ARNG, in 1965.

By 1957 the division included the following units: Armories in parentheses, subordinate companies and batteries of battalions not shown.

It included the following units under the ROAD structure, showing headquarters locations in parentheses:[6] The reductions of the Army National Guard, initiated in 1967 by Defense Secretary Robert McNamara who felt that fifteen divisions were too many for a reserve component,[7] reduced the division to the 46th Brigade (formed from the headquarters of the 2nd Brigade at Wyoming, Michigan), which was allocated to the 38th Infantry Division on 1 February 1968.

[10] As part of United States Army restructuring, the brigade headquarters was eliminated in 2004–2005, with the official inactivation ceremony on 1 October 2004.

At the time, the brigade numbered 1,600 soldiers, and its 1st Battalion, 119th Field Artillery temporarily transferred to the 177th Military Police Brigade although it would see service with the 42nd Infantry Division during the War on Terror, while most units remained with the 38th Division.