The regiment's 1st and 2nd battalions are stationed at Camp Shelby under the command of the 177th Armored Brigade.

[2][3][4] The 305th Infantry was reconstituted in the Organized Reserve on 24 June 1921, assigned to the 77th Division, and allotted to the Second Corps Area.

The regiment conducted summer training most years with the 1st Division's 16th Infantry Regiment at Camp Dix, New Jersey, and some years at Plattsburg Barracks or Fort Slocum, New York.

[2] Ordered into active military service 25 March 1942 and reorganized at Fort Jackson, South Carolina.

[8] After adoption of the ROAD program,[8] the regiment was reorganized on 26 March 1963 to consist of the 1st and 2d Battalions, subordinate elements of the 77th Infantry Division.

On 15 December 2007, the battalions were relieved from their assignment to the 87th Division and reassigned to First Army’s 177th Armored Brigade.