Nuclear weapons tests in Australia known at the time as Christmas Island (not to be confused with Christmas Island in the Indian Ocean) between 1957 and 1958. These were airbursts mostly occurring over water or suspended a few hundred metres above the ground by balloon. In Australia there were three sites. Testing was carried out between 1952 and 1957 and was mostly done at the surface. A few hundred smaller scale tests were conducted at both Emu Field and Maralinga between 1953 and 1963. Two separate atomic test projects occurred at the islands, the first being Operation Hurricane and the second being Operation Mosaic The
Atomic Heritage Foundation local communities, and other organizations to urge Congress to establish a Manhattan Project National Historical Park. In March 2013, Senators Maria Cantwell and Lamar Alexander introduced S. 507 to create a park, and Representatives Doc Hastings, Ben Ray Lujan, and Chuck Fleischmann introduced a companion bill in the House, H.R. 1208. The Los Alamos, V-Site was the site of assembly for the Trinity device, the first atomic weapon ever detonated. In October 2006, the AHF co-hosted several days of events to commemorate the successful restoration of the High Bay building. The Atomic Heritage Foundation has created several museum exhibits. They