There is much ado about the announcement that Australia will be buying three refurbished Block IV Virginia-class nuclear-powered submarines from America rather than two plus a new version.The announcement is being used as a reason to question the whole AUKUS agreement, and more broadly, the reliability of America under the presidency of Donald Trump.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles