A former environment minister will head up a crowd-funded review of the multi-billion-dollar Aukus submarine deal, Australia's biggest ever defence project. Peter Garrett, who served as environment minister between 2007 and 2010, said an independent inquiry into the A$368bn ($239bn; £176bn) deal - where Australia will buy second-hand US submarines to replace its ageing fleet - was "long overdue". Garrett, the frontman of rock band Midnight Oil, said Aukus was the "most expensive" defence deal