On Background: Does China pose a threat and how should Australia respond? | Insiders

The government this week announced plans to allow non-citizens to join the Australian Defence Force.
When you step back and consider what this is about, it's another example of Australia trying to improve its military readiness, in this case by boosting recruitment.
But is it clear what threat Australia really faces and what would happen in the event of war? How exactly would the alliance with the US come into play?
David Speers speaks to former Deputy Secretary of Defence and Home Affairs Secretary, Mike Pezzullo, and former senior intelligence analyst and author of The Echidna Strategy, Sam Roggeveen.
More Information:
Mike Pezzullo spoke to 7.30 earlier this year after he was sacked as head of Home Affairs: www.abc.net.au...
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