Pearl Harbor My report is about the attack on Pearl Harbor. In this report I will explain what happened and why it happened. So you know, Pearl Harbor is located Pearl Harbor was the operating base of the U.S. Pacific Fleet. The Japanese pulled a surprise attack on the U.S. on December 7, 1941 at 7:50 A.M. during the beginning of World War II. On November 26 a powerful Japanese task force, under the command of vice Admiral Chuichi Nagumo, left the Kuril Islands; on December 2 it received a coded message issuing the attack order. The undetected Japanese force arrived off the Hawaiian Islands on the morning of December 7. In two successive waves more than 350 Japanese bombers, torp