He was believed to be in a healthy frame in 2016, said a lieutenant colonel.
Tiffanie Turnbull
The commando had completed deployments in East Timor, Afghanistan, and Iraq after he was diagnosed with mental health problems.
At an extraordinary leaders' summit, Prime Minister Scott Morrison has urged world leaders to scale up vaccine production.
Some 12 million Australians remain in lockdown, as the contrast between the two state's handling of their lockdowns grows.
Sydney's Covid-19 is stabilizing, Premier Gladys Berejiklian says, as leaks into the state's health care system begin to appear.
New South Wales recorded 97 new local Covid-19 cases in the 24 hours, and at least 31 of them were circulating in the community.
97 new local Covid-19 cases in New South Wales have stretched the stay-at-home order to five weeks.
Unions and peak social services bodies renew their pleas for more financial support.
The equivalent to 8,500 football fields will be added to Queensland's protected areas.