SYDNEY: Australia said its A$2 billion (US$1.3 billion) purchase of supersonic missiles from the United States underscores its commitment to defence spending, though Prime Minister Anthony Albanese has resisted US calls to agree to a target of 3.5 per cent. Minister for Defence Industry Pat Conroy on Thursday (Jul 3) confirmed the purchase of AIM-120C-8 and AIM-120D-3 missiles, developed by American defence company Raytheon Technologies. They will be used by Australia's F/A-18 and F-35 fighter