Joint Base Pearl Harbor-Hickam is a United States military installation located on the island of Oahu, Hawaii. It serves as a strategic naval and air hub for the U.S. Pacific Fleet, housing both the U.S. Navy and U.S. Air Force. The base is primarily known for its historical significance, being the location where the Japanese attacked Pearl Harbor during World War II on December 7, 1941. Today, it continues to play a crucial role in U.S. defense strategy within the Pacific region. The base is also home to several key installations, including the Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility, as well as various units under the control of Commander, U.S. Pacific Fleet and Pacific Air Forces.