Mulloka

{{Use dmy dates|date=July 2019}} '''Mulloka''' was an Australian-designed sonar system installed on ships of the Royal Australian Navy.<ref name="Dennis">{{cite book|last=Dennis|first=Peter|title=The Oxford Companion to Australian Military History|publisher=Oxford University Press Australia & New Zealand|location=Melbourne|date=2008|edition=Second|page=376|isbn=978-0-19-551784-2|display-authors=etal}}</ref> It was optimised for the warm and shallow waters common off Australia and used a high frequency.<ref name="Wertheim">{{cite book|last=Wertheim|first=Eric|title=The Naval Institute Guide to Combat Fleets of the World|publisher=Naval Institute Press|date=2007|page=18|isbn=978-1-59114-955-2|url=https://books.google.com/books?id=TJunjRvplU4C}}</ref> The system was developed during the 1970s, with {{sclass2|River|destroyer escort|1}} {{HMAS|Yarra|DE 45|6}} being used as the trial ship for Mulloka between 1974 and 1979.<ref>{{cite web|url=http://www.navy.gov.au/hmas-yarra-iii|title=HMAS Yarra (III)|publisher=Royal Australian Navy|accessdate=2009-07-11}}</ref> These trials ended on 17 August 1979 when the system was accepted for service.<ref>{{cite web|url=https://www.navyhistory.org.au/category/navy-day-by-day/1976-1999/page/2/|title=On this day: 1976-1999 > Post Vietnam|publisher=Naval Historical Society of Australia|accessdate=2009-07-11}}</ref> Mulloka was subsequently fitted to all the RAN's River-class destroyer escorts along with {{sclass|Adelaide|frigate|1}}s {{ship|HMAS|Melbourne|FFG 05}} and {{ship|HMAS|Newcastle|FFG 06}}. It was replaced by an improved variant of the Spherion sonar in use on the {{sclass|Anzac|frigate}}s as part of the FFG Upgrade program.<ref name="Dennis" /><ref>{{Cite journal |last=Cordner |first=Lee |date=March 2009 |title=Aussie Frigates Reborn |url=https://www.usni.org/magazines/proceedings/2009/march/aussie-frigates-reborn |journal=U.S. Naval Institute Proceedings |location=Annapolis, Maryland |volume=135 |issue=3}}</ref>

==References== {{reflist}}

Category:Military equipment of the Royal Australian Navy Category:Cold War military equipment of Australia Category:Sonar