Check this fantastic resource, WW2 film-maker, historian and author Paul Woodadge.
Well worth a look.
Searching for and finding MIAs:
My name is Jim Burrowes, VX136343. I served as a coastwatcher in the South Pacific during World War II.
South Pacific WWII Museum
Everything you wanted to know about military activities in Australia during WWII by Peter Dunn
Rare footage of US Marines in NZ during WWII released
Organisation who’s vision is to be leaders in World War Two underwater exploration in the Pacific