English: Pictured: HMS ANSON.Australian submariners to join Royal Navy crews as UK and Australia deepen defence ties through AUKUS pact.The Defence Secretary Ben Wallace and the Deputy Prime Minister of Australia, Richard Marles were today at the commissioning ceremony of the fifth Astute Class submarine, HMS Anson in Barrow-In-Furness.Royal Australian Navy crews will train on the newly commissioned HMS Anson and other Astute-Class submarines, the Prime Minister has announced today.It came as he and Defence Secretary Ben Wallace emphasised the importance of the deep defence ties between the UK and Australia, following the development of the trilateral AUKUS partnership working with the United States, who were represented today by their Defence Attaché Captain Leland.Hosting Australian Deputy Prime Minister Richard Marles on his first official visit to the UK since the new Australian government came to power, the Prime Minister and Ministers attended the commissioning of the fifth of seven new Astute-Class Royal Navy submarines, HMS Anson.The world’s most advanced hunter-killer submarine was today welcomed into the Royal Navy fleet at a ceremony in Barrow.HMS Anson is£1.3bn of both naval stealth and striking power – able to gather vital intelligence, protect other Royal Navy vessels from threats above and below the waves and destroy enemy military infrastructure with pinpoint accuracy.Anson is the fifth of the new Astute-class submarines to join the Royal Navy fleet, joining HMS Astute, Ambush, Artful and Audacious.