American intervention 1965 1966 1967 Tet Offensive and aftermath Vietnamization 1969–1971 1972 Post-Paris Peace Accords (1973–1974) Spring 1975 Air operations Naval operations Lists of allied operations Operation Sunset Beach was an operation conducted by the 2nd Brigade, 25th Infantry Division in Hậu Nghĩa Province, southeastern Tây Ninh Province and southwestern Bình Dương Province, lasting from 2 September to 11 October 1966.

[1] Operation Sunset Beach was planned as a security operation intended to engage Viet Cong forces before the South Vietnamese national elections scheduled for 11 September 1966.

[1] The 2nd Brigade conducted a series of air and ground assaults across the operational area together with Army of the Republic of Vietnam forces, before withdrawing to base camps several days before the elections to avoid accusations of interference.

[1]: 346 On 20 September the 1st Battalion, 5th Infantry Regiment (Mechanized) conducted a sweep of the Boi Loi Woods, meeting sporadic resistance and destroying bunkers and supplies.

[1]: 346 This article incorporates public domain material from websites or documents of the United States Army Center of Military History.