wo It is not generally understood that devices and weapons tested in the Pacific have ranged in explosive energy released from around . nominal kiloton levels to the multi-megaton level, Some devices or weapons which could be tested in Nevada are fired in the Pacific because of their relationship to subsequent tests in the series or because they require testing before a serits will be ready in Nevada. Costs in the Pacific are high in comparison with Nevada, but fully acceptable because of their value to weapons development. It has been estimated that a series such as Castle (Spring 1954) ex- ceeded $100,000,000 in direct costs and required upwards of 30,000 persons if supporting elements are counted. -12COPIEDfp LArrke 0g