The U.S. Army Coast Artillery Corps was an administrative corps responsible for coastal, harbor, and anti-aircraft defense of the United States and its possessions between 1901 and 1950. The CAC also
Practice loading of a 10-inch gun on a disappearing carriage at Fort Hamilton, Brooklyn, NY, a typical Endicott period installation.
Typical Endicott period battery with components labeled.
USAMP Major Samuel Ringgold, built in 1904, which planted practice groups of mines in the Columbia River during the 1920s. (National Archives and Records Administration)
US-manned 155 mm GPF gun of Battery F, 55th Coast Artillery, France 1918
The Harbor Defenses of Portsmouth was a United States Army Coast Artillery Corps harbor defense command. It coordinated the coast defenses of Portsmouth, New Hampshire and the nearby Portsmouth Naval
Fort William and Mary by Wolfgang William Romer (1705).
Fort Constitution in the 19th century.
Battery Farnsworth, 8-inch disappearing gun emplacement, Fort Constitution.
12-inch (305 mm) disappearing gun emplacement, Fort Stark.