Within days of their Dec. 7, 1941 surprise attack on Pearl Harbor, the Japanese Imperial Navy occupied scores of islands throughout the western Pacific Ocean. Japan's goal was to create a defensive buffer against attack from the United States and its Allies - one that would ensure their mastery over East Asia and the Pacific. It wasn't until the United States' strategic victories at the Battles of the Coral Sea (May 4-8, 1942) and Midway (June 4-7, 1942) finally halted the Japanese Empire's...