<P> The Target Committee nominated five targets: Kokura, the site of one of Japan's largest munitions plants; Hiroshima, an embarkation port and industrial center that was the site of a major military headquarters; Yokohama, an urban center for aircraft manufacture, machine tools, docks, electrical equipment and oil refineries; Niigata, a port with industrial facilities including steel and aluminum plants and an oil refinery; and Kyoto, a major industrial center . The target selection was subject to the following criteria: </P> <Ul> <Li> The target was larger than 3 mi (4.8 km) in diameter and was an important target in a large city . </Li> <Li> The blast would create effective damage . </Li> <Li> The target was unlikely to be attacked by August 1945 . </Li> </Ul> <Li> The target was larger than 3 mi (4.8 km) in diameter and was an important target in a large city . </Li> <Li> The blast would create effective damage . </Li>

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