The period from 1955 to 1972 saw the Royal Australian Navy play a vital role in conflicts in the Southeast Asian region, alongside the better known contributions made by the army and the air force. It was also an important time for the RAN internallythe expansion of its roles and missions leading to a move away from the habits and doctrines of the Royal Navy and towards an ever-growing closeness to the United States. Up Top is the first detailed account of the experiences of the RAN during this time, particularly its involvement in the Far East Strategic Reserve, the Malayan Emergency, Confrontation with Indonesia, and the Vietnam War.