Pearl Harboris alagoonharboron the island ofOahu,Hawaii, west ofHonolulu. Much of the harbor and surrounding lands is aUnited States Navydeep-water naval base. It is also the headquarters of theUnited States Pacific Fleet. The U.S. government first obtained exclusive use of the inlet and the right to maintain a repair and coaling station for ships here in 1887.Theattack on Pearl Harborby theEmpire of Japanon December 7, 1941 was the immediate cause of theUnited States' entry intoWorld War II.
Pearl Harbor
