On the evening of Friday, October 10, 2025, His Excellency Lieutenant General Dok Sopha, Rector of the National Defence University, attended a reception welcoming the Australian Navy ship HMAS Ballarat (FFH 155), an Anzac-class frigate. The event was held under the high chairmanship of His Excellency General Tea Vinh, Secretary of State of the Ministry of National Defence, representing His Excellency General Tea Seiha, Deputy Prime Minister and Minister of National Defense, at the Preah Sihanouk Autonomous Port.