Battery Hoffman

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Battery Hoffman (1904-1945) - Battery Satterlee Hoffman was a reinforced concrete, Endicott Period 3 inch coastal gun battery on Fort H.G. Wright, Fishers Island, Suffolk County, New York. The battery was named in G.O. 194, 27 Dec 1904, after 2nd Lt. Satterlee Hoffman, 1st U.S. Artillery, who was killed in action at Churubusco, Mexico, 20 Aug 1847, during the Mexican-American War. Battery construction started in September 1902, was completed in February 1904 and transferred to the Coast Artillery for use 2 Mar 1904 at a cost of $ 13,470.58. Deactivated in 1945.

Endicott Period

Part of the Harbor Defense of Long Island Sound.

Originally built as an Endicott Period concrete coastal gun battery with two 3" M1902MI guns mounted on M1902 Pedestal mounts 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 Butterfield.

Battery Hoffman Armament (edit list)
Model Serial
Manufacturer Carriage Service
1 3" Rifle 154.35" M1902MI 53 Bethlehem Pedestal mounts, M1902, #53, Bethlehem 1905-1945 See note 1
2 3" Rifle 154.35" M1902MI 55 Bethlehem Pedestal mounts, M1902, #55, Bethlehem 1905-1945 See note 1
Source: RCW Form 1, 1 May 1926, Coast Defense Study Group, Berhow, Mark A. ed, American Seacoast Defenses: A Reference Guide, 2nd Edition, CDSG Press, McLean, VA, 2004, ISBN 0-9748167-0-1, pages 72-73, 205
Note 1: Guns processed for salvage 15 Mar 1946, carriages processed for salvage 18 Oct 1945. CDSG Gun Card Collection from NARA
Battery Hoffman Plan

World War I

The U.S. entry into World War I resulted in a widespread removal of large caliber coastal defense gun tubes for service in Europe. Many of the gun and mortar tubes removed were sent to arsenals for modification and mounting on mobile carriages, both wheeled and railroad. Most of the removed gun tubes never made it to Europe and were either remounted or remained at the arsenals until needed elsewhere. The guns of Battery Hoffman were not affected by the World War I redistribution or the following 1920 disarmament program.

In 1923 a CRF and BC station for Battery Hoffman was built 100' south of gun emplacement #2 and accepted for service on 26 Jul 1923 at a cost of $ 1,473.73.

World War II

Battery Hoffman was a part of the Harbor Defenses of Long Island Sound plan throughout World War II. When the war ended in 1945 the guns processed for salvage on 15 Mar 1946 and the carriages were processed for salvage on 18 Oct 1945.

Current Status

No period guns or mounts in place.

Location: Fishers Island, Suffolk County, New York

Maps & Images

Lat: 41.255964 Long: -72.03495

  • Multi Maps from ACME
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  • Maps from Google
  • Elevation: 21.06'


  • U.S.Army, Supplement to the Harbor Defense Project of Long Island Sound, (HDLIS-AN-45), 15 Feb 1945, CDSG


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