Estimated yield: 15 megatons of TNT Location: Bikini Atoll, Marshall Islands Date: March 1, 1954 Details: The largest nuclear bomb ever tested by the United States. A thermonuclear weapon ...

Pentagon officials estimate that China, which has no treaty restrictions on its nuclear warhead numbers ... in the stockpiles of the world's three biggest nuclear powers? (Federation of American ...

The Chinese experiment bay, surrounded by the laser bays, is estimated to be 50 percent larger than the one at the NIF, which is the largest ... is expanding its nuclear warhead production ...

The exiled opposition group says that two sites camouflaged as communication satellite launch facilities have been used to rush the production of nuclear warheads. They are both under the control ...

where the U.S. Department of Energy is the largest employer and a growing workforce of 8,600 people modernizes chemical components of nuclear warheads at the Y-12 National Security Complex in Oak ...