On December 7 , 1941 a fleet of Japanese kamikazes flew across the pacific ocean to pearl harbor. At exactly 7:50 am the Japanese drop the first bomb on pearl harbor. The attack was planned by Admiral Iskoroshu yamato , who commanded the Japanese aircraft carriers during the raid on U.S. Pacific Fleet at Pearl Harbor. people say the main thing behind the attack was to overtake most of the Pacific and South East Asia and to stop the U.S. Pacific Fleet before they could try to fight against the Japanese. The attack was made up of of two waves of bombing aircraft, with a total of 353 planes used. It all began at around 7:55 am early on the morning of Sunday December 7 and lasted for 110 minutes. Husband E. Kimmel was the commander of U.S. Naval operations at Pearl Harbor on that day.