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