Footnotes
^(I) The Royal Australian Navy claims that Australia was the only capital ship to serve in the RAN. However, some sources also define the light aircraft carriers Sydney, Vengeance, and Melbourne as capital ships, and one (Cassells' The Capital Ships) also includes heavy and light cruisers, a destroyer tender, and a seaplane carrier in this definition.
^(II) While no sources explicitly state that Australia was part of the fleet at this time, of the seven Royal Navy battlecruisers then in commission, Indomitable was under refit through August and the only one unavailable for action.
Read more about this topic: HMAS Australia (1911)