Every two years the Australian and US defence forces engage in a massive military exercise called Talisman Sabre.

It's about strategising for potential conflict - and this year, many observers say the focus has been on China.

The wargames haven’t gone unnoticed - in fact, the Chinese navy sent two spy ships to monitor the situation.

Today, contributor to The Saturday Paper Brian Toohey on the danger of these military maneuvers and the espionage arms race taking place in our region.

Guest: Contributor to The Saturday Paper, Brian Toohey

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