US Army: Vietnam non-divisional Engineer Battalions v.1.0 February 24, 2002

Source:

Richard A. Rinaldi (copyright owner)
http://www.soft.net.uk/entrinet/Order%20of%20Battle/US%20Army/us_army_oob1.htm

 

[Note: US Army Engineer Command, Vietnam, raised 1 Feb 1970 to provide command and control for non-divisional Engineer units; on 30 Apr 1972 (after departure of last Engineer Group still present) it was redesignated US Army Engineer Group, Vietnam, which was discontinued 28 Mar 1973.]

Assignments shown are those for the bulk of service in Vietnam.

 

18^th Engineer Brigade               Sep 1965 – Sep 1971              I and II CTZ and support of I FFV

35^th Engineer Group                 Jun 1965 – Nov 1971

            70^th Engr C Bn Aug 1965 – Nov 1969

            87^th Engr Bn (Con)       Aug 1965 – Mar 1969

            116^th Engr C Bn           Sep 1968 – Aug 1969

            577^th Engr Bn (Con)     Jul 1966 – Jan 1972

            589^th Engr Bn (Con)     Apr 1967 – Nov 1971

            864^th Engr Bn (Con)     Jun 1965 – Aug 1971

45^th Engineer Group                 Jun 1966 – Jan 1972

            14^th Engr C Bn Oct 1966 – Aug 1971

            39^th Engr C Bn Jan 1966 – Apr 1972

            84^th Engr Bn (Con)       Jun 1965 – Jul 1972

937^th Engineer Group               Aug 1965 – Sep 1971

            19^th Engr C Bn Sep 1965 – Dec 1970

            20^th Engr C Bn Jan 1966 – Aug 1971

            299^th Engr C Bn           Oct 1965 – Nov 1971

            815^th Engr Bn (Con)     Apr 1967 – Jan 1972

 

20^th Engineer Brigade               Aug 1967 – Sep 1971              III and IV CTZ and support of II FFV

34^th Engineer Group                 Mar 1967 – Mar 1972

            27^th Engr C Bn Oct 19666 – Jan 1972

            35^th Engr C Bn Nov 1966 – Sep 1970

            36^th Engr Bn (Con)       Sep 1967 – Apr 1972

            69^th Engr Bn (Con)       May 1967 – Nov 1971

            93^rd Engr Bn (Con)       Jun 1967 – Jul 1971

79^th Engineer Group                 Jul 1966 – Dec 1970

            86^th Engr C Bn Oct 1966 – Aug 1969

            168^th Engr C Bn           Nov 1965 – Apr 1970

            554^th Engr Bn (Con)     Apr 1967 – Mar 1972

            588^th Engr C Bn           Nov 1965 – Nov 1970

159^th Engineer Group               Oct 1865 – Apr 1972

            34^th Engr Bn (Con)       May 1967 – Oct 1971

            46^th Engr Bn (Con)       Sep 1965 – Nov 1971

            62^nd Engr Bn (Con)      Aug 1965 – Nov 1971

            92^nd Engr Bn (Con)      May 1967 – May 1972

            169^th Engr Bn (Con)     May 1966 – Apr 1972

 

 

Note: HQ 921^st Engineer Group was in Vietnam 1 Oct 1966 to 25 May 1968, but never operated as a command organization; it served to help staff U.S. Army Engineer Command (Provisional) and then served as a sort of holding unit until closed.