HMAS Diamantina was recommissioned into the RAN as a survey and oceanographic research vessel. Diamantina had previously paid off to the reserve in August 1946 after service in New Guinea during the final phases of World War II.
HMAS Fremantle finally paid off at Sydney for disposal. She had steamed 113,654 miles since recommissioning in 1952. In all, including her war time service, she had steamed 190,776 miles. Fremantle was sold on 6 January 1961 to Kinoshita (Australia) Pty Ltd to be broken up