the Australian tender in March 2016, with an expected in service date for the first of two s in late 2020. The ship was commissioned on 10 April 2021 at Fleet Base East, Sydney. In September 2021 Sirius embarked on her final deployment to South-East Asia and the south-west Pacific prior to her decommissioning in December 2021. She was decommissioned at a ceremony at HMAS Stirling on 18 December 2021. See also - commercial container vessel converted to replenishing ship for Royal Canadian Navy References External links Defence Materiel Organisation Maritime Operations Support Capability Australian National Audit Office Purchase, Chartering and Modification of the New Fleet Oiler Tankers of the Royal Australian Navy Naval ships of Australia 2004 ships Auxiliary replenishment ship classes Military Units in Western Australia