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Royal Australian Navy Station No.9
Myrtletown Boom Defence and Indicator Loop Bunkers
In early 1942, the site initially comprised a machine gun emplacement on the Brisbane River’s north bank built to cover the anti-submarine boom that stretched across the river to Fort Lytton. From February 1943, a submarine indicator loop was added to Pinkenba’s defences. In September 1943, a Photo-Electric Beam Receiver Station was added. The site was designated RAN Station No.9 in January 1944.
Place information
Location
Place type
Fortifications
History
In early 1942, the Commonwealth approved the laying of an anti-submarine boom near the mouth of the Brisbane River. The boom was lodged at Bulwer Island (Pinkenba) on the river’s north bank and the boom net ran across to Fort Lytton on the south bank. At Pinkenba, an emplacement mounting a .303 Vickers machine gun was constructed on Bulwer Island. This north bank machine gun nest supported the boom’s main defences that were located across the river at Fort Lytton.
By April 1942, Brisbane had become, along with Fremantle in Western Australia, the major USN submarine bases in the South West...
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