隆慶
After training with one of the New Zealand infantry companies of the 1st Australian Task Force in October and November 1969, 4/52 ARVN was deployed with the New Zealand company, and the Australians and New Zealanders of 6th Battalion, Royal Australian Regiment (6 RAR/NZ) in "Operation Marsden" on 3 December which was conducted in the Mây Tào Mountains. The operation resulted in an enormous success for 1 ATF wherein huge amounts of weapons, equipment and explosives were discovered as well as the discovery of the Viet Cong K76A Hospital which was the principal provider of medical services for all Communist forces in Phước Tuy and Long Khánh Provinces. 4/52 ARVN left the operation on 14 December and the Australians and New Zealanders concluded the operation on 28 December.