Battery Greble

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Battery Greble (1905-1934) - Battery Greble was a reinforced concrete, Endicott Period 3 inch coastal gun battery on Fort Terry, Plum Island, Suffolk County, New York. The battery was named in G.O. 194,27 Dec 1904, after Bvt. Lieutenant Colonel John T. Greble, U.S. Army (1st Lieutenant, 2nd U.S. Artillery), who was killed in action at Big Bethel, Virginia, 10 Jun 1861, during the U.S. Civil War, Battery construction started in July 1903, was completed in July 1905 and transferred to the Coast Artillery for use 28 Aug 1905 at a cost of $ 16,687.00. Deactivated in 1934.

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 Mount carriages. This was a two story battery with the guns on the upper level and the magazines on the lower level. Shells were moved from the magazine level to the gun loading platform by hand. Electrical power was furnished by the emplacement power plant in Battery Stoneman.

The guns and carriages were originally in Battery Hoppock, Fort H.G. Wright and were transferred to Battery Greble on 2 Aug 1913.

Battery Greble Armament (edit list)
Model Serial
Manufacturer Carriage Service
1 3" Rifle 154.35" M1902MI 54 Bethlehem Pedestal Mount,
M1902, #54, Bethlehem
1913-1934 See note 1
2 3" Rifle 154.35" M1902MI 56 Bethlehem Pedestal Mount,
M1902, #56, Bethlehem
1913-1934 See note 1
Source: RCW Form 1, 1 Nov 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 ,206
Note 1: Guns and carriages dismounted 25 Oct 1934 and placed in storage. Guns and carriages transferred 10 Apr 1942 to Newfoundland. CDSG Gun Card Collection from NARA
Battery Greble 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 Greble were not affected by the World War I redistribution or the following 1920 disarmament program.

The guns and carriages were dismounted on 25 Oct 1934 and placed in storage.

World War II

The guns and carriages were transferred on 10 Apr 1942 to Newfoundland.

Current Status

No period guns or mounts in place.

Location: Plum Island, Suffolk County, New York

Maps & Images

Lat: 41.189328 Long: -72.16567

  • Multi Maps from ACME
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  • Maps from Google
  • Elevation: 56.04'


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


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