On Sunday 11 October 2026, Her Excellency the Honourable Ms Sam Mostyn AC, as guest of Ms Sarah Kennedy, Assistant Secretary Commemoration Branch, Department of Veterans’ Affairs, attended the 25th Anniversary of Australian service in the Afghanistan War at the Australian War Memorial, Canberra.
Then, the Governor-General, as guest of Mr Matt Anderson PSM, Director, Australian War Memorial, attended the planting of an olive tree to honour the enduring friendship between Australia and Afghanistan at the Australian War Memorial, Canberra.