After seizing West Irian , Sukarno by 1963 moved his sights on Malaysia . Indonesia political confrontation against Neocolonialism and Imperialism ( Nekolim ) continued in Operation Dwikora to oppose the formation of Malaysia . Although elements of the National Armed Forces were prepared for operational deployments to the new state , the operations were limited to the infiltration operation along the Borneo frontier . Soldiers from the marine corps were involved in the operations which targeted both the Malaysian states of Sabah and Sarawak . The Marine Corps , though , would figure in the 1964 MacDonald House bombing in Singapore
MacDonald House bombing
MacDonald House bombing
Indonesian Navy