Australian submarine HMAS Dechaineux SSG 76 1993-

Royal Australian Navy 125 Anniversary International Fleet Review at Sydney, Australia March 2026

Clinton J Down Photography, Shellharbour, New South Wales, Australia

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HMAS Orion of the Oberon-class

Australia-flagged, homeport Fleet Base West, Perth, Australia, MMSI 503659000 and call sign VKDA. Part of Collins-class preceded by Oberon-class succeeded by cancelled Attack-class, planned nuclear-powered Virginia or SSN-774-class and SSN-Aukus. Laid down by Australian Submarine Corporation, Osborne, Australia on 4 March 1993, launched on 12 March 1998 and commissioned on 23 February 2001.