Lineage and Honors Information as of 23 August 2018
550th Engineer Detachment
- Constituted 27 October 1943 in the Army of the United States as the 1605th Engineer Map Depot Detachment
- Activated 5 November 1943 at Portland, Oregon
- Reorganized and redesignated 1 February 1945 as the 1605th Engineer Map Depot Team
- Redesignated 18 August 1945 as the 1605th Engineer Map Depot Detachment
- Inactivated 30 September 1945 in Germany
- Redesignated 13 November 1950 as the 550th Engineer Map Depot Detachment and allotted to the Regular Army
- Activated 15 November 1950 in Korea
- Inactivated 15 April 1953 in Korea
- Redesignated 8 June 1961 as the 550th Engineer Detachment
- Activated 1 July 1961 at Fort Hood, Texas
- Inactivated 1 January 1966 in Korea
- Activated 1 December 1966 at Fort George G. Meade, Maryland
- Inactivated 23 August 1968 in Vietnam
- Activated 25 July 1969 in Vietnam
- Inactivated 15 June 1970 in Vietnam
- Activated 21 June 1974 at Fort Lee, Virginia
- Inactivated 16 August 1987 at Fort Lee, Virginia
- Activated 16 October 2005 at Fort Campbell, Kentucky
Campaign Participation Credit
- World War II
- Normandy (with arrowhead)
- Northern France
- Rhineland
- Korean War
- CCF Intervention
- First UN Counteroffensive
- CCF Spring Offensive
- UN Summer-Fall Offensive
- Second Korean Winter
- Korea, Summer-Fall 1952
- Third Korean Winter
- Vietnam
- Counteroffensive, Phase II
- Counteroffensive, Phase III
- Tet Counteroffensive
- Counteroffensive, Phase IV
- Counteroffensive, Phase V
- Summer-Fall 1969
- Winter-Spring 1970
- Sanctuary Counteroffensive
- War on Terrorism
- Campaigns to be determined
Decorations
- Meritorious Unit Commendation (Army), Streamer embroidered KOREA 1950-1951
- French Croix de Guerre with Palm, World War II, Streamer embroidered NORMANDY BEACHES
By Order of the Secretary of the Army:
CHARLES R. BOWERY, JR.
Chief of Military History