Constituted 15 August 1917 in the National Army as the 39th Engineers

Organized 18 February 1918 at Camp Upton, New York

Converted and redesignated 7 September 1918 as the 39th Regiment, Transportation Corps

Regiment broken up 12 November 1918-12 December 1918 and its elements reorganized and redesignated as follows:

Headquarters and Headquarters Company disbanded 12 November 1918
Companies A, B, and C redesignated 12 December 1918 as the 26th, 27th, and  28th Companies, Transportation Corps, respectively

26th Company, Transportation Corps, demobilized 11 July 1919 at Camp Jackson, South Carolina; 27th and 28th Companies, Transportation Corps, demobilized 12 July 1919 at Camp Dodge, Iowa

Regiment reconstituted 1 October 1933 in the Regular Army as the 39th Engineers

Activated 1 June 1940 at Camp Ord, California

Reorganized and redesignated 1 July 1940 as the 19th Engineers

Redesignated 1 August 1942 as the 19th Engineer Combat Regiment

Regiment broken up 1 March 1945 and its elements reorganized and redesignated as follows:

1st Battalion as the 401st Engineer Combat Battalion
(Headquarters, Headquarters and Service Company as Headquarters and Headquarters Company, 19th Engineer Combat Group; 2d Battalion as the 402d        Engineer Combat Battalion--hereafter separate lineages)

401st Engineer Combat Battalion inactivated 6 December 1945 at Camp Polk, Louisiana

Redesignated 30 January 1947 as the 52d Engineer Combat Battalion

Reorganized and redesignated 8 November 1951 as the 52d Armored Engineer Battalion

Activated 27 November 1951 at Fort Leonard Wood, Missouri

Inactivated 16 March 1956 at Fort Leonard Wood, Missouri

Redesignated 21 November 1967 as the 52d Engineer Battalion

Activated 21 February 1968 at Fort Carson, Colorado

Reorganized 16 October 1999 as a multi-component unit (Company B allotted to the Oregon Army National Guard; Company C allotted to the Army Reserve)

(Company C ordered into active military service 10 February 2003 at Santa Fe, New Mexico; released from active military service 17 June 2004 and reverted to reserve status)

(Company B ordered into active Federal service 11 February 2003 at Albany, Oregon; released from active Federal service 17 June 2004 and reverted to state control)

Inactivated 15 February 2005 at Fort Carson, Colorado (Company B concurrently reorganized and redesignated as the 224th Engineer Company--hereafter separate lineage)

Headquarters and Headquarters Company activated 16 April 2010 at Fort Carson, Colorado (Support Company concurrently constituted in the Regular Army and activated)

CAMPAIGN PARTICIPATION CREDIT

                                                        World War I
                                                        Streamer without inscription

                                                        World War II
                                                        Algeria-French Morocco (with arrowhead)
                                                        Tunisia
                                                        Sicily
                                                        Naples-Foggia
                                                        Rome-Arno
                                                        North Apennines
                                                        Po Valley

                                                        Southwest Asia
                                                        Defense of Saudi Arabia
                                                        Liberation and Defense of Kuwait
                                                        Cease-Fire

                                                        War on Terrorism
                                                        Campaigns to be determined

 

DECORATIONS

Meritorious Unit Commendation (Army), Streamer embroidered SOUTHWEST ASIA 1990-1991

Meritorious Unit Commendation (Army), Streamer embroidered SOUTHWEST ASIA 2003-2004

 

BY ORDER OF THE SECRETARY OF THE ARMY: