1st Battalion, 5th Marines
Combat Operations Chronology & History
December, 1965 – September, 1967
26 March – 6 April 1966 - Operation JACKSTAY. Rung Sat Special Zone (IV Corps)
27 April - 4 May 1966 – Operation OSAGE. Phu Loc – Bach Ma (I Corps)
Established Hill 54 Combat Base
4 – 15 September 1967 – Operation SWIFT. Que Son Valley ; Dong Son (1) and Chau Lam (4) – 8 kilometers east of Que Son.
26 May – 5 June 1967 – Operation UNION II. Que Son Valley ; Vinh Huy Village , 8 kilometers east southeast of Que Son
17 May 1967 – Established Hill 51 Combat Base. One kilometer west of Que Son City, Quang Tin Province.
21 April – 17 May 1967 – Operation UNION I. Que Son Valley , Hill 110 (4 kilometers due north of Que Son).
6 – 15 August 1966 – Operation COLORADO. Hiep Duc – Song Ly Ly Valley.
16 June 1966 – Operation SPARROW HAWK: The Rescue of Sgt. Jimmie Howard’s Recon Patrol. 25 miles due west of Chu Lai, Hill 488.