| This US Navy handout image shows Baker, the second of the two atomic bomb tests, in which a 63-kiloton warhead was exploded 90 feet under water as part of Operation Crossroads, conducted at Bikini Atoll in July 1946 to measure nuclear weapon effects on warships. The United States said on April 25, 2014, it was examining lawsuits filed by the Marshall Islands against it and eight other nuclear-armed countries that accuse them of failing in their obligation to negotiate nuclear disarmament. [Photo/Agencies] |
