Rockingham is a suburb and regional centre south-west of the Perth city centre and south of Fremantle. It has a beachside location at Mangles Bay, the southern extremity of Cockburn Sound. To its north stretches the maritime and resource-industry installations of Kwinana, Western Australia and Henderson. Offshore to the north-west is Australia's largest naval fleet and submarine base, Garden Island, connected to the mainland by an all-weather causeway. Rockingham was first surveyed in 1847, it was gazetted as a town in 1897. In its early days, Rockingham was a busy port, shipping jarrah timber and sandalwood overseas. Now, as a satellite city in Perth's southern corridor, together with Mandurah, it is among Australia's fastest-growing residential districts. The maritime tradition has been strengthened by steady growth of the Royal Australian Navy's main fleet base HMAS Stirling and by the development of major shipbuilding and marine support services at nearby...