<Tr> <Th_colspan="2"> Test information </Th> </Tr> <Tr> <Th> Nuclear tests </Th> <Td> 105 </Td> </Tr> <P> The Pacific Proving Grounds was the name given by the United States government to a number of sites in the Marshall Islands and a few other sites in the Pacific Ocean at which it conducted nuclear testing between 1946 and 1962 . The U.S. tested a nuclear weapon (codenamed Able) on Bikini Atoll on 30 June 1946 . This was followed by Baker on July 24, 1946 . </P> <P> On July 18, 1947, the United States secured an agreement with the United Nations to govern the islands of Micronesia as the Trust Territory of the Pacific Islands, a strategic trusteeship territory . This is the only such trusteeship ever granted by the United Nations . The Trust Territory comprised about 2,000 islands spread over 3,000,000 square miles (7,800,000 km) of the North Pacific Ocean . Five days later, the United States Atomic Energy Commission established the Pacific Proving Grounds . </P>

Where did the us test nuclear weapons in the pacific