The Treasurer says tonight's budget will be bold, ambitious and see difficult decisions made.
Housing and intergenerational equity will be major focuses of Jim Chalmers' fifth budget, with a major shake-up of the 50 per cent capital gains tax discount, and negative gearing, expected.
Fuel security is also expected to be one of the big ticket items.
Dr Chalmers says he's expecting criticism from what he's described as "defenders of the status quo".
Defence says the soldier who died yesterday after a mid-air collision during a parachute training exercise, was an experienced Special Forces sniper who was helping to instruct the course.
Fifty-year-old Warrant Officer Lachlan Muddle and a second soldier had opened their parachutes and were manouvering to the drop zone at the Jervis Bay Airfield, when they crashed and fell several hundred feet.
The second soldier survived the fall with minor injuries, but Warrant Officer Muddle was fatally injured.
The Federal Health Minister says several more passengers, on a hantavirus affected cruise ship, have tested positive to the infection, including a French national who's in a critical condition.
Five Australian and one New Zealand passenger, awaiting repatriation from the Netherlands are not among the new infections.
Once a flight to Perth has been scheduled, the group will isolate for at least three weeks at the Bullsbrook Centre of National Resilience, north of Perth.
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