A member of the Papua New Guinea Defence Force (C) and the Australian Defence Force (R) try out virtual reality headsets at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)

Members of the Royal Thai Army speak to a Rafael Australia representative as they look at a training version of the SPIKE SR (Short Range) guided electro-optical missile launcher at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)

A visitor looks at the barrel of an assault rifle at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)

A member of the Australian Defence Force tries out an assault rifle and scope at the Land Forces International Land Defence Exposition at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)

A visitor looks at Lockheed Martin's Precision Strike Missile (PrSM-lower) and Guided Multiple Launch Rocket System (GMLRS-upper) missile at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)

Members of the Vietnam People's Army look at Japanese company IHI's autonomous underwater vehicle at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)

Members of the Royal Thai Army listen to a Rafael Australia representative as they look at a Hunter Eagle Unmanned Aerial Vehicle (UAV) Interceptor Drone System at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)

Members of the Australian Defence Force look at a Boxer combat reconnaissance vehicle (CRV) at the Perth Convention and Exhibition Centre in Perth on October 6, 2026. The exposition will be held from October 6-8 and showcases the latest defence technology. (Photo by Antony DICKSON / AFP via Getty Images)