It also provides service, programs, and facilities for their hosted combat commands, tenant activities, ships' crews, and civilian employees.

It is the largest naval organization in Navy Region Northwest, and composed of installations at Bremerton, Bangor, Indian Island, Manchester, and Keyport, Washington.

In addition to performing drydock and overhaul services for active naval vessels, it is also home to an inactive ship facility for several decommissioned warships, including aircraft carriers.

In November 2009, five protesters, including 82-year-old priest William J. Bichsel, S.J., cut through two fences to reach an area near where nuclear warheads are stored in bunkers.

The protesters put up banners, sprinkled blood on the ground, scattered sunflower seeds and prayed until they were arrested; all faced prison sentences.