Battery Hagner

 (1906-1932) - Battery Peter Hagner 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. BG Peter V. Hagner, U.S. Army (Col., Ordnance Department), who served with distinction during the Mexican-American War and the U.S. Civil War, and who died 11 Mar 1893. Battery construction started in October 1903, was completed in October 1906 and transferred to the Coast Artillery for use 22 Nov 1906 at a cost of $ 15,924.00. Deactivated in 1932.

Endicott Period
Originally built as an Endicott Period concrete coastal gun battery with two 3" M1903 guns mounted on M1903 Pedestal mounts. 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. No shell or powder hoists provided. Electrical power was furnished by the Quartermaster post power plant.

The guns were not mounted until 10 Jun 1909.



World War I
The guns of Battery Hagner were not affected by the World War I redistribution or the following 1920 disarmament program.

In 1932 both guns were removed and sent to Battery Hoppeck, Fort H.G. Wright. The carriages were sent to storage.

Current Status
Now on Plum Island Animal Disease Center (PIADC) operated by U.S. DHS. No period guns or mounts in place.

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