On Saturday 21 March 2026, Their Excellencies the Honourable Ms Sam Mostyn AC, as Reviewing Officer, and Mr Simeon Beckett SC, as guests of Vice Admiral Mark Hammond AO RAN, Chief of Navy, attended The Kakadu Fleet Review and the 125th Anniversary of the Royal Australian Navy, in Sydney Harbour.

In the evening, the Governor-General, as guest of Vice Admiral Mark Hammond AO RAN, Chief of Navy, attended the Admiral’s Reception onboard HMAS Canberra, in Fleet Base East, Sydney.