At the invitation of Major General Dato Paduka Seri Haji Muhammad Haszaimi bin Bol Hassan Commander of the Royal Brunei Armed Forces (RBAF), General Chalermphon Srisawasdi Chief of Defence Forces of the Royal Thai Armed Forces (RTARF) paid an official visit to Brunei Darussalam during 16-18 August 2022.
On 17 August 2022, His Majesty Sultan and Yang Di-Pertuan of Brunei Darussalam granted an audience to General Chalermphon while Her Majesty Duli Raja Isteri granted an audience to Mrs. Budsakorn Srisawatsdi respectively. General Chalermphon also held a fruitful discussion to strengthen bilateral and ASEAN-wide military cooperation with Commander of the Royal Brunei Armed Forces, Commander of the Royal Brunei Land Force, Commander of the Royal Brunei Navy, Comander of the Royal Brunei Air Force and Joint Force Comander of the Royal Brunei Armed Forces. On 16 August 2022, Ambassador Boosara Kanchanalai hosted a welcoming dinner for General Chalermphon and his delegation at the Thai Residence.