Indonesia 's campaign Military_operation of infiltrations Attack 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 Resolve_problem the proposed Creating state of Malaysia .

To deter and disrupt Destroying Indonesia 's growing Expansion campaign of infiltrations Attack , the British responded Response in 1964 by launching Motion their own covert operations into Indonesian Kalimantan under the code name Operation Claret .