Pearlridge overlooks an historic lagoon, the attack on which, caused the United States to enter into which war?
Pearl Harbor Pearl Harbor is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the United 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. The attack on Pearl Harbor by the Empire of Japan on December 7, 1941, was the immediate cause of the United States' entry into World War II.
USS Arizona Memorial The USS "Arizona" Memorial, at Pearl Harbor in Honolulu, Hawaii, marks the resting place of 1,102 of the 1,177 sailors and Marines killed on  during the Japanese surprise attack on Pearl Harbor on December 7, 1941 and commemorates the events of that day. The attack on Pearl Harbor and the island of Oʻ ahu led to the United States' direct involvement in World War II.