U.S. to sell nuke-powered subs to Australia in unprecedented deal

The U.S. is preparing to sell three to five nuclear-powered submarines to Australia, an unprecedented step that’s expected to pave the way for Canberra to co-develop and then eventually build its own attack boats in the decades ahead, President Joe Biden announced Monday alongside his allied counterparts.

Biden, British Prime Minister Rishi Sunak and Australian Prime Minister Anthony Albanese detailed a three-phrase approach in the Australia-U.K.-U.S. deal known as AUKUS, which ultimately ends with London and Canberra creating advanced versions of the highly sensitive vessel for their navies.

The three...