Throughout his stay, he call on Commander of Royal Brunei Armed Forces, Major General Dato Paduka Seri Haji Aminuddin Ihsan bin Pehin Orang Kaya Saiful Mulok Dato Seri Paduka Haji Abidin at Ministry of Defence and he also paid a courtesy call to Commander of the Royal Brunei Navy, Colonel (L) Haji Abdul Halim bin Haji Mohd Hanifah.
During his stay in Brunei, Admiral Khamthorn Pumhiran and spouse had the chance to visit places of interest around the sultanate.
The visit was intended to enchance the existing bilateral defence ties and cooperation between the two countries. Admiral Khamthorn Pumhiran and spouse arrived on 26 April 2011 in Brunei for a three day official visit.