Other auxiliaries and small craft are not operated by the RAN, but by DMS Maritime, who are contracted to provide support services.
Osborne will further supply the navy with the currently under-construction Hunter-class frigate vessels, as well as SSN-AUKUS nuclear-powered attack submarines and Hobart class guided-missile destroyer replacements.
The Collins was designed by the Swedish submarine builder Kockums as the Type 471 specifically to meet Australian requirements, many of which were derived from Australia's need for great range without utilizing a nuclear propulsion system.
While these vessels represented a major increase in capability for the RAN, they have found themselves mired in numerous technical and operational problems.
[2] The Collins was to be replaced by twelve Shortfin Barracudas a conventionally-powered design of the Barracuda-class nuclear submarine by French shipbuilder Naval Group that had been selected in 2016 and named the Attack-class.
Choules represents a major increase in sealift capability for the RAN, particularly after mechanical issues in 2010 and 2011 forced the early retirement of the navy's two Kanimbla-class vessels, and put HMAS Tobruk in dock for an extensive refit.
The Hobart-class AWD are based on the Spanish Navantia F100 frigate and incorporate an Aegis Combat System with an AN/SPY-1D(V)phased array radar.
These replaced the Fremantle class from 2005 as the navy's primary asset for border protection, fisheries patrols, and interception of unauthorised arrivals by sea.
Originally, twelve boats were to be built by Austal, but the establishment of a dedicated patrol force for the North West Shelf Venture saw another two ordered.
The first hull was built in Italy, with fitting out the first and construction of the remaining five vessels of the class done by ADI in Newcastle, replacing the problematic Bay-class minehunters.
In addition to the mine warfare role, they have been deployed on multiple occasions to support Northern Australian patrol and border protection operations.
The ships are designed to provide fuel, food, ammunition, and other stores to RAN vessels operating well beyond friendly ports.
They are capable of charting waters up to 6,000 metres (20,000 ft) deep, and carry three Fantome-class survey boats for shallow-water work.
The sail training ship Young Endeavour was built as a gift from the United Kingdom to Australia for the latter's 1988 bicentenary of colonisation.
[16][17] Following the loss of HMAS Bundaberg and hull issues with the Armidale class requiring an intense remedial maintenance program, two Cape-class patrol boats were leased to the RAN from late 2015 until the end of 2016.
"mine countermeasures vessel" Dykstra Naval Architects Huntington Ingalls Industries 3,300 tonnes (surfaced) Australia (construction)