On 9 July 2025, Ambassador Arunrung Phothong Humphreys, together Ms. Pittara Navarat, Minister Counsellor and Group Captain Putthapong Phalajivin, Defence and Air Attaché, welcomed a delegation of special experts of the Royal Thai Army, led by Admiral Nattaphong Ketsomboon, Special Advisor to the Royal Thai Armed Forces Headquarters/Chief of the Joint Operations Center of the Royal Thai Armed Forces on their formal visit to Sweden.

On this occasion, Ambassador Arunrung exchanged views with delegation extensively on various issues; such as, Thai-Swedish relations, cooperation development in the fields of security, defence and cyber between Thailand and Sweden and possible exchange visits of armed forces personnel of Thailand and Sweden.