Constituted 9 June 1945 in the Army of the United States as the 2776th Engineer Rockcrusher Detachment and activated in France

Inactivated 23 October 1945 at Fort Lewis, Washington

Redesignated 7 March 1967 as the 40th Engineer Detachment and allotted to the Regular Army

Activated 1 May 1967 at Fort George G. Meade, Maryland

Inactivated 20 March 1972 in Vietnam

Activated 1 September 1983 at Fort Stewart, Georgia

Inactivated 15 July 1988 at Fort Stewart, Georgia

Activated 16 October 2010 at Fort Carson, Colorado

CAMPAIGN PARTICIPATION CREDIT

                                                            Vietnam
                                                            Counteroffensive, Phase III
                                                            Tet Counteroffensive
                                                            Counteroffensive, Phase IV
                                                            Counteroffensive, Phase V
                                                            Counteroffensive, Phase VI
                                                            Tet 69/Counteroffensive
                                                            Summer-Fall 1969
                                                            Winter-Spring 1970
                                                            Sanctuary Counteroffensive
                                                            Counteroffensive, Phase VII
                                                            Consolidation I
                                                            Consolidation II

 

DECORATIONS

Meritorious Unit Commendation (Army), Streamer embroidered VIETNAM 1968

Republic of Vietnam Civil Action Honor Medal, First Class, Streamer embroidered VIETNAM 1970

Republic of Vietnam Civil Action Honor Medal, First Class, Streamer embroidered VIETNAM 1970-1971

 

BY ORDER OF THE SECRETARY OF THE ARMY: