[3][2] In 2012, His Majesty the Sultan of Brunei Hassanal Bolkiah attended the 3rd Singapore Airshow and met the then Prime Minister Lee Hsien Loong and the former Prime Minister Lee Kuan Yew, while Teo Chee Hean visited Brunei the same year.

[2][5] The Singapore Armed Forces (SAF) has trained many Bruneian soldiers for a period of time.

[7][8] Brunei and Singapore began Exercise Airguard in 1994, which involves joint training between the Royal Brunei Air Force and the Republic of Singapore Air Force, with the states alternating as hosts.

Besides, the Singapore Police Force also deployed to Brunei to conduct Exercise Solar Wind.

Some highly trained police officers from both forces continue to sharpen their post-blast investigation skills and hone their working relationship with their foreign counterparts.