EntityQ261208· pop 5· linked from 333 articlesFort CaseySign in to savefort on Whidbey Island, Washington state, United StatesConnectionsWashingtonEntityOkanogan-Wenatchee National ForestEntityPacific Northwest TrailEntityFort Flagler Historical State ParkEntityPhilippinesCountryWorld War IIConceptWorld War IConceptgeographic coordinate systemEntityInternational Standard Book NumberEntityFederal Government of the United StatesEntityOlympic National ParkEntityUnited States Geological SurveyEntityIsland CountyEntitylist of national parks of the United StatesEntityPuget SoundEntityCoupevilleEntityMount Rainier National ParkEntityUnited States Department of the InteriorEntityGeographic Names Information SystemEntityNorth Cascades National ParkEntityCategories1955 establishments in Washington (state)Ebey's Landing National Historical ReserveForts in Washington (state)Forts on the National Register of Historic Places in Washington (state)History of Island County, WashingtonMilitary installations closed in 1953Military installations established in 1901National Register of Historic Places in Island County, WashingtonParks established in the 1950sParks in Island County, Washington