 In 2012, legislation was introduced which compelled developers to deposit money into the Reef Trust.Tiffany Morrison argues that this has made it easier for developments to be approved in the region.The week before 21 July 2013, on the second day of the biennial joint training exercise Talisman Saber, two American AV-8B Harrier fighter jets launched from aircraft carrier USS Bonhomme Richard (LHD-6) dropped four bombs, weighing a total 1.8 metric tons (4,000 pounds), into more than 50 metres (164 ft) of water.