Indonesia–Malaysia confrontation of the action occurring in the border area between Indonesia and East Malaysia on the island of Borneo (known as Kalimantan in Indonesia). The conflict was characterised by restrained and isolated ground combat, set within tactics of low-level brinkmanship. Combat was usually conducted by company- or platoon-sized operations on either side of the border. Indonesia's campaign of infiltrations into Borneo sought to exploit the ethnic and religious diversity in Sabah and Sarawak compared to that of Malaya and Singapore, with the intent of unraveling the proposed state of Malaysia. The challenging jungle terrain of Borneo and lack of roads straddling
Brunei–Malaysia border necessary details, will be lodged at a later date. Brunei Bay Unlike the maritime boundaries in the South China Sea, news regarding the effects of the 2009 Exchange of Letters on the maritime boundary between the two countries in Brunei Bay has been virtually non-existent. To date, the only news regarding efforts to determine the boundary in Brunei Bay came after the 18th Annual Leaders’ Consultation between Malaysia and Brunei on 3 November 2014. The joint statement issued after the consultation stated that a Standard Operating Procedure for the joint hydrographic survey for the maritime boundary from the Pandaruan River