Naval Base Kitsap is the third-largest Navy base in the U.S.[1] It features one of the U.S. Navy's four nuclear shipyards, one of two strategic nuclear weapons facilities, the only West Coast dry dock capable of handling a Nimitz-class aircraft carrier and the Navy's largest fuel depot.[1]

https://en.wikipedia.org/wiki/Naval_Base_Kitsap

Indian Island is a major U.S. Navy munitions handling facility. Navy combat ships and Military Sealift Command vessels frequent Indian Island’s dock receiving and discharging munitions in support of U.S. military operations worldwide. The Navy also services refitted Ohio class missile submarines (formerly SSBN, now SSGN) at Indian Island. Environmental and peace activists have raised questions about Navy activities at Indian Island.[1]

https://en.wikipedia.org/wiki/Indian_Island,_Washington#Naval_Magazine