The Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF) is one of the four public shipyards operated by the Naval Sea Systems Command (NAVSEA). It is located in Pearl Harbor, Hawaii, and is responsible for maintaining and repairing the US Navy's fleet of ships and submarines in the Pacific region. The shipyard provides a wide range of services, including: Drydocking and repairs of ships and submarines Refueling and overhaul of nuclear-powered ships and submarines Modernization, upgrade and modification of ships and submarines Maintenance and repair of ship systems and equipment Environmental and hazardous waste management Industrial and environmental support services Pearl Harbor Naval Shipyard is the Navy's largest shipyard on the Pacific coast and has been in operation since 1908. It is the only U.S. shipyard capable of performing all levels of ship maintenance and repair, including nuclear maintenance and overhauls. The shipyard has the facilities and capabilities to handle the Navy's aircraft carriers, submarines, and cruisers, as well as other ships. It employs thousands of people and is a major economic engine for the region.more