Constituted 18 October 1927 in the Regular Army as the 65th Engineer Battalion

Assigned 26 August 1941 to the 25th Infantry Division

Activated 1 October 1941 at Schofield Barracks, Hawaii

Reorganized and redesignated 1 January 1944 as the 65th Engineer Combat Battalion

Reorganized and redesignated 1 March 1954 as the 65th Engineer Battalion

65th Engineer Battalion Honors

Campaign Participation Credit

World War II: Central Pacific; Guadalcanal; Northern Solomons; Luzon

Korean War: UN Defensive; UN Offensive; CCF Intervention; First UN Counteroffensive; CCF Spring Offensive; UN Summer-Fall Offensive; Second Korean Winter; Korea, Summer-Fall 1952; Third Korean Winter; Korea, Summer 1953

Vietnam: Counteroffensive; Counteroffensive, Phase II; 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

Decorations

Meritorious Unit Commendation (Army) for KOREA

Meritorious Unit Commendation (Army) for VIETNAM 1967

Army Superior Unit Award for 1992-1993

Army Superior Unit Award for 1999-2000

Philippine Presidential Unit Citation for 17 OCTOBER 1944 TO 4 JULY 1945

Republic of Korea Presidential Unit Citation for MASAN-CHINJU

Republic of Korea Presidential Unit Citation for MUNSAN-NI

Republic of Vietnam Cross of Gallantry with Palm for VIETNAM 1966-1968

Republic of Vietnam Cross of Gallantry with Palm for VIETNAM 1968-1970

Republic of Vietnam Civil Action Honor Medal, First Class for VIETNAM 1966-1970

Headquarters Company additionally entitled to:

Meritorious Unit Commendation (Army) for PACIFIC THEATER

Company B additionally entitled to:

Presidential Unit Citation (Army) for LUZON

Presidential Unit Citation (Army) for NAM RIVER

Valorous Unit Award for CU CHI DISTRICT

Valorous Unit Award for BINH DUONG PROVINCE

Company C additionally entitled to:

Presidential Unit Citation (Army) for LUZON

Presidential Unit Citation (Army) for TAEGU

Valorous Unit Award for CU CHI DISTRICT