The Arafura-class offshore patrol vessel HMAS Eyre was commissioned into the Royal Australian Navy on 30 May. (ADF) At a ceremony at the Western Australian naval base of HMAS Stirling on 30 May, the Royal Australian Navy (RAN) commissioned the second of its six Arafura-class offshore patrol vessels (OPV). Civmec Defence Industries completed construction of this vessel, HMAS Eyre, at the Osborne Naval Shipyard in South Australia.