Approximately 521 deaths.
Army casualties in Vietnam were 413 KIA/DoW, two MIA, 2026 WIA, 64 non-battle deaths and 999 other casualties
They were a part of the ANZUS Pact which called for mutual support.
Australian warships fired on the gun-line, up and down the Vietnamese coastline in support of allied troops. Australian Centurion tanks of their 1st Armored Regiment, and Infantrymen were generally...
The first Australians sent to Vietnam were 30 army instructors on May 24, 1962.