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FORTS

U.S. Army Coast Artillery and the Harbor Defenses of the United States

A 10 inch seacoast artillery gun on a disappearing carriage at Fort Casey State Park overlooks the Puget Sound (photo by Steven Kobylk, 2006)

A 10 inch seacoast artillery gun on a disappearing carriage at Fort Casey State Park overlooks the Puget Sound (photo by Steven Kobylk, 2006)

The U.S. Army’s Coast Artillery Corps defended the United States against naval attack with fixed gun defenses located around major deep-draft harbors.

Seacoast Harbor Defense Fortifications: gun batteries, fire control stations, communications bunkers, wharves, searchlights, and minefield control structures.

Garrison Buildings: enlisted barracks, officers quarters, hospitals, post exchanges, bakeries, power plants, and ordnance & supply storage buildings.

This website provides information on the various elements that made up a harbor defense in a general form in the links below. For specific examples of information available on the forts and gun batteries visit the CDSG webpages for the Harbor Defenses of the Columbia River and the Harbor Defenses of the Puget Sound.

American seacoast defense
Armament
Fire Control
Searchlights
Mines
Garrisons
Coast Artillery Units

Photo gallery of remaining American seacoast artillery weapons