Editing Suffren-class submarine (section)

===Australia===
{{main|Attack-class submarine}}

Naval Group submitted a conventionally powered diesel-electric variation to the design – named the Shortfin Barracuda Block 1A, a derivative of the SMX Ocean concept – to the competitive evaluation process (CEP) phase of [[Australia]]'s [[Collins-class submarine replacement project|''Collins''-class submarine replacement]]. "While exact details remain confidential, DCNS can confirm the Shortfin Barracuda is over {{convert|90|m}} in length and displaces more than 4,000 tons when dived," said Sean Costello, CEO of Naval Group Australia.<ref>{{cite press release |url=http://en.dcnsgroup.com/news/dcns-unveils-shortfin-barracuda |title=DCNS unveils Shortfin Barracuda |publisher=Naval Group |date=15 July 2015 |access-date=20 October 2015 |archive-date=29 October 2015 |archive-url=https://web.archive.org/web/20151029015833/http://en.dcnsgroup.com/news/dcns-unveils-shortfin-barracuda/ |url-status=dead }}</ref> Naval Group was chosen by the Australian Government on 26 April 2016 to build twelve of the Shortfin Barracuda Block 1A variant at a projected AU$50 billion (US${{Format price|{{To USD|50000000000|AUS}} }}). Much of the works were to be undertaken at [[ASC Pty Ltd]] in [[Adelaide, South Australia|Adelaide]], [[South Australia]].<ref name="smh201604">{{cite press release |url=http://www.smh.com.au/federal-politics/political-news/france-wins-50b-submarine-contract-20160425-goeuxh.html|title=France wins $50b contract to help build Australia's new submarines |access-date=26 April 2016}}</ref><ref>{{Cite news|url=http://www.adelaidenow.com.au/news/south-australia/pm-malcolm-turnbull-on-50bn-future-submarines-project/news-story/be2a8da55f6066ba070454d667729c04|title=$50bn Future Submarines to be built at Osborne in Adelaide by French firm Naval Group|last=Starick|first=Paul|date=26 April 2016|newspaper=The Advertiser |access-date=26 April 2016}}</ref> Construction was expected to begin in 2023.<ref>{{cite web |url=https://www.navalnews.com/naval-news/2021/03/australia-and-naval-group-ink-agreement-on-attack-class-submarine-program/ |title=Australia And Naval Group Ink Agreement On Attack-Class Submarine Program |work=Naval News |date=23 March 2021 |access-date=8 April 2021 |url-status=live|archive-url=https://web.archive.org/web/20210323074845/https://www.navalnews.com/naval-news/2021/03/australia-and-naval-group-ink-agreement-on-attack-class-submarine-program/ |archive-date=23 March 2021 }}</ref> The class would have been known as the ''Attack''-class submarine with the first vessel named HMAS ''Attack''.

On 16 September 2021, Australia cancelled the ''Attack''-class project and entered into [[AUKUS|a partnership with the United States and United Kingdom]] to obtain nuclear submarine technology ([[SSN-AUKUS]]).<ref>{{Cite web|last=GDC|date=16 September 2021|title=Australia To Acquire Nuclear-powered Submarine, Scraps Conventional Submarine Project|url=https://www.globaldefensecorp.com/2021/09/16/australia-to-acquire-nuclear-powered-submarine-scraps-conventional-submarine-project/|access-date=16 September 2021|website=Global Defense Corp|language=en-US}}</ref> The reactors run on [[weapons-grade uranium]], are sealed and last for the thirty three years.<ref>{{Cite web|url=https://www.theguardian.com/australia-news/2021/sep/17/australia-considered-buying-nuclear-submarines-from-france-before-ditching-deal-peter-dutton-says|title=Australia considered buying nuclear submarines from France before ditching deal, Peter Dutton says|date=17 September 2021|work=The Guardian |access-date=18 September 2021}}</ref> The ones France uses, on the other hand, have to be serviced every ten years since it switched from weapons-grade to [[low-enriched uranium]] (LEU) to fuel its nuclear-powered submarines from the {{sclass|Rubis|submarine|4}} onward; this therefore requires a domestic nuclear industry, which Australia lacks.