 The Australian Department of Defence decided to upgrade their "Anzac"s even before all ships were completed, the upgraded configuration includes— RGM-84 Harpoon anti-ship missiles fitted in two quad launchers, Evolved Sea Sparrow missiles quad-packed in VLS enabling 32 missiles to be carried, four Nulka active missile decoy bays, and the TSM 5424 Petrel mine and obstacle avoidance sonar system.All upgrades and new builds are scheduled for completion by 2006.In 2004 Tenix, Saab, and the Australian Department of Defence formed a Private Public Partnership to upgrade the anti-ship missile defence capability of the "Anzac" class.