On the morning of Friday, February 20, 2026, the National Defence University organized a handover and acceptance ceremony for Building C (2nd and 3rd floors) of the College of Social Sciences and Languages, which was completely renovated and refurbished with support from the Cambodia–Australian Defence Cooperation Program, under the high chairmanship of His Excellency Dok Sopha, Rector of the National Defense University, and Group Captain Tony Peck, Chief of the Australian Defence Attaché Office in the Kingdom of Cambodia.