Graham Dolton will turn 90 on March 1 and will celebrate by jumping out of a plane.
He will be skydiving to raise money for the Cancer Council Western Australia.
He said he wanted the money to go towards breast and prostate cancer and has a target of $5000.
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READ NOW‘If I don’t do something crazy now when will I ever?’ he said.
Even though he spent time in New Guinea during the war, Mr Dolton said he had never done anything too ‘crazy’.
He has managed to get a few family members on board who will also be braving the jump with him.
They will head to Jurien Bay on the morning of his birthday to take the plunge.
To donate, visit his fundraising page on the WA cancer council website or get in touch by email gs.dolton@bigpond. com.