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Operation Hardihood

Operation Hardihood
Part of Vietnam War

5RAR soldiers guard Vietnamese civilians
Date16 May – 8 June 1966
Location
Result Allied operational success
Belligerents
 United States
 Australia
Viet Cong
Commanders and leaders
United States BG Paul F. Smith
Units involved
United States 503rd Infantry Regiment
Australia 1st Battalion, Royal Australian Regiment
5th Battalion, Royal Australian Regiment
D445 Provincial Mobile Battalion
Casualties and losses
United States 23 killed
Australia 5 killed
US body count: 48 killed

Operation Hardihood was a security operation conducted from 16 May to 8 June 1966 during the Vietnam War by the U.S. 503rd Infantry Regiment, the 1st Battalion, Royal Australian Regiment (1RAR) and the 5th Battalion, Royal Australian Regiment (5 RAR) in Phước Tuy Province, South Vietnam to secure the area around Nui Dat for the establishment of a base area for the 1st Australian Task Force (1 ATF).