Constituted 5 August 1917 in the National Army as the 340th Infantry and assigned to the 85th Division

Organized August-September 1917 at Camp Custer, Michigan

Demobilized 21 April 1919 at Camp Custer, Michigan

Reconstituted 24 June 1921 in the Organized Reserves as the 340th Infantry and assigned to the 85th Division      

Organized in November 1921 with Headquarters at Saginaw, Michigan

Relieved 31 March 1942 from assignment to the 85th Division; concurrently allotted to the Army of the United States as an inactive unit

Disbanded 4 August 1952

Reconstituted 5 May 1959 in the Army Reserve as the 340th Regiment

Activated 1 June 1959 as an element of the 85th Division (Training) with Headquarters at Chicago, Illinois

Reorganized 31 January 1968 to consist of the 1st, 2d, and 3d Battalions, elements of the 85th Division (Training)

Reorganized 1 June 1973 to consist of the 2d and 3d Battalions, elements of the 85th Division (Training)

Reorganized 1 October 1993 to consist of the 1st, 2d, and 3d Battalions, elements of the 85th Division (Exercise) 

Reorganized 1 October 1996 to consist of the 1st and 2d Battalions, elements of the 85th Division (Exercise)

Reorganized 17 October 1999 to consist of the 1st and 2d Battalions, elements of the 85th Division (Training Support)

Reorganized 1 October 2002 to consist of the 1st, 2d, and 3d Battalions, elements of the 85th Division (Training Support); 3d Battalion concurrently allotted to the Regular Army

Elements ordered into active military service in support of the War on Terrorism

(1st and 2d Battalions relieved 1 April 2007 from assignment to the 85th Division [Training Support])

(3d Battalion relieved 15 June 2008 from assignment to the 85th Division [Training Support])

 

CAMPAIGN PARTICIPATION CREDIT

 

DECORATIONS

1st and 3d Battalions each entitled to:

            Army Superior Unit Award, Streamer embroidered 2003-2004

2d Battalion entitled to:

            Army Superior Unit Award, Streamer embroidered 2005-2006

 

 

BY ORDER OF THE SECRETARY OF THE ARMY: