Battery Chapin

 (1904-1945) - Battery Edward Chapin was a reinforced concrete, Endicott Period 3 inch coastal gun battery on Fort Foster (1), Gerrish Island, York County, Maine. The battery was named in G.O. 194, 27 Dec 1904, after Brigadier General Edward P. Chapin, U.S. Volunteers, who was killed in acton at Port Hudson, Louisiana, during the U.S. Civil War. Battery construction was completed and transferred to the Coast Artillery for use 31 Dec 1904 at a cost of $ 15,213.09. Deactivated in 1945.

Endicott Period (1890-1910)
Originally built as an Endicott Period concrete coastal gun battery with two 3" M1902MI guns mounted on M1902 Pedestal carriages. This was a two story battery with the guns located on the upper level and the magazines below. Shells were moved from the magazine level to the gun loading platform by hand. No shell or powder hoists were provided. Electrical power was furnished by the emplacement power plant in Battery Bohlen.

World War I (1917-1918)
The guns of were not affected by the World War I redistribution or the following 1920 disarmament program.

World War II (1941-1945)
Battery Chapin was a part of the Harbor Defenses of Portsmouth plan throughout World War II. When the war ended in 1945 the battery was declared surplus. The guns and carriages were processed for salvage on 18 Oct 1945.

Current Status
Part of Fort Foster City Park, Gerrish Island, York County, Maine. No period guns or mounts in place.

Sources:

Links: 
 * North American Forts - Fort Foster Main Page