Australians were fighting on New Guinea. Don't believe any Australians were manning any of the fighter planes or dive and torpedo bombers at Coral Sea.
The Battle of the Coral Sea was fought from May 4th through May 8th in 1942.
See the Related Link 'Battle For Australia' to the left for the answer.
Coral - 1915 was released on: USA: 4 September 1915
Fascination Coral Reef - 2013 was released on: USA: January 2013
Sea Stories - 1999 Coral Heaven was released on: USA: 1999
Beyond Chance - 1999 Coral Castle was released on: USA: 2002
The Girl of the Coral Reefs - 1911 was released on: USA: 28 April 1911
Secrets of the Coral Reef - 1994 TV was released on: USA: 6 April 1994
Fascination Coral Reef Hunters and the Hunted - 2013 was released on: USA: October 2013
Emergency - 1972 Involvement 5-19 was released on: USA: 24 January 1976
American involvement in Vietnam actually dates back to 1953, at the request of the French. The Gulf of Tonkin Incident is what led to an escalation of US involvement in 1965.
Nova - 1974 City of Coral 10-14 was released on: USA: 8 March 1983