Surgeon Captain William Carr, who was director of Australia's naval medical services, oversaw its creation.
[1] He chose Annie Ina Laidlaw to lead it and she was appointed as superintending sister with an equivalent rank of lieutenant commander in April 1942, based at Flinders Naval Base.
[3] At its wartime peak the RANNS was made up of 60 nursing sisters.
[4] The RANNS was disbanded 1948 but the demand for nurses was so great that the organisation was reformed in November 1948.
In June 1984 the RANNS and the other female branch of the RAN, the Women's Royal Australian Naval Service, were incorporated into the permanent force and all female nurses became members of the nursing branch of the RAN.