54th Infantry Regiment (United States) - Lineage

Lineage

• Constituted 15 May 1917 in the Regular Army as the 54th Infantry.
• Organized 16 June 1917 at Chickamauga Park, Georgia.
• Assigned 16 November 1917 to the 6th Infantry Division.
• Inactivated 24 October 1922 at Fort Wayne, Michigan.
• Relieved 24 March 1923 to the 6th Division and assigned to the 7th Division.
• Relieved 1 October 1940 from assignment to the 7th Division.
• Redesignated 14 June 1942 as the 54th Armored Infantry.
• Assigned 15 July 1942 to the 10th Armored Division and activated at Fort Benning, Georgia.
• Regiment broken up 20 September 1943 and its elements reorganized and redesignated as elements of the 10th Armored Division as follows:

- 54th Infantry (less 1st, 2d, 3d Battalions) as the 54th Infantry Battalion

- 1st Battalion as the 61st Armored Infantry Battalion

- 2nd Battalion as the 20th Armored Infantry Battalion

- 3rd Battalion disbanded

• Battalions inactivated 13–23 October 1945 at Camp Patrick Henry, Virginia.
• Relieved 14 September 1950 from assignment to the 10th Armored Division, concurrently consolidated broken up and its elements redesignated as elements of the 10th Armored Division as follows:

- 54th Infantry (less 1st, 2d, 3d Battalions) as the 54th Armored Infantry Battalion

- 1st Battalion as the 561st Armored Infantry Battalion

- 2nd Battalion as the 520th Armored Infantry Battalion

- Former 3rd Battalion reconstituted as the 554th Armored Infantry Battalion

• Battalions relieved 1 April 1957 from assignment to the 10th Armored Division.
• 54th, 561st, 554th Armored Infantry Battalions consolidated 1 July 1959 to form the 54th Infantry, a parent regiment under the Combat Arms Regimental System.
• Withdrawn 16 June 1989 from the Combat Arms Regimental System, reorganized under the U.S. Army Regimental System, and transferred to the United States Army Training and Doctrine Command with Headquarters at Fort Benning, Georgia.