HHC and HHD 45th TRANS BN  1 July 1962 thru 23 September 1963 redesignated  145th Combat Aviation Battalion

HHC and HHD 145th Combat Aviation Battalion .... 24 Sept 1963 thru 2 Apr 1972 left Vietnam


Detachments
HHC - 125th ATC, 145th Security Platoon, Path Finder Det, 87th QM Det, 391st Quarter Master Det (Petrl)