Fort Casey
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Fort Casey was a 19th-century defensive fortification built on Whidbey Island, Island County, Washington, to deter invasion from the sea. It is preserved as Fort Casey Historical State Park, a Washing
Fort Casey disappearing gun
Fort Casey and Admiralty Head Lighthouse from Puget Sound
Board of Fortifications
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Several boards have been appointed by US presidents or Congress to evaluate the US defensive fortifications, primarily coastal defenses near strategically important harbors on the US shores, its terri
Board of Fortifications report, 1886
Endicott Period battery with two guns on disappearing carriages
10-inch disappearing gun at Battery Granger, Fort Hancock, New Jersey
Fire control searchlight at Fort Baker, California