This article relies largely or entirely on a single source. (June 2018)
Operation Marauder was an operation conducted by the 173rd Airborne Brigade and the 1st Battalion, Royal Australian Regiment (1 RAR) in the Plain of Reeds, Mekong Delta, lasting from 1 to 8 January 1966.
On 1 January 1966 1st Battalion, 503rd Infantry Regiment, 2nd Battalion, 503rd Infantry Regiment, 1 RAR and C Battery, 3rd Battalion, 319th Artillery Regiment were deployed by air into Ba Tri airfield from Hậu Nghĩa Province.
On 2 January 2/503rd landed at Landing Zone Wine (:87 On 6 January the 2/503rd located the abandoned headquarters of the 506th Battalion, recovering arms, ammunition, maps and personnel rosters.) where they were engaged by an entrenched Viet Cong force. After a daylong battle, supported by artillery fire and air support the 2/503rd overran the VC position, finding 111 dead. The remainder of the operation saw only sporadic contact with the VC.
Operation Marauder officially concluded on 8 January with claims of heavy losses having been inflicted on the VC 267th Main Force Battalion and the headquarters of the 506th Battalion.:88