From Ukraine to Iran, the rapid advancement of cheap and mass-produced drones is reshaping battlefields around the world.

Before Russia's full-scale invasion of Ukraine in 2022, only four militaries around the world were using small drones. Now, according to today's guest on Global Roaming, there are more than 40.

Host Hamish Macdonald visits a counter-drone technology factory in an undisclosed location in Sydney to find out more.

Guest: Terry Van Haren, vice president of DroneShield, an Australian military technology company

Mentions: Global Roaming with Peter Pomerantsev: Is Russia's time as a dominant power coming to an end?

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