Battery 520

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Battery 520 (1944-1947) - Battery 520 was a reinforced concrete, World War II 12 inch casemated coastal gun battery on Marshall Military Reservation, South Carolina. Battery construction started 1 May 1943, was completed 30 Jan 1944 and was transferred to the Coast Artillery for use 28 Feb 1944 at a cost of $ 1,432,443.00. Deactivated in 1947.

Battery 520 Emplacement #1 in 2010
Battery 520 Emplacement #2 in 2010


Battery 520 History

Part of the Harbor Defense of Charleston.

World War II

Originally built as an World War II concrete coastal gun battery with two 12" M1895MI guns mounted on M1917 Barbette carriages. These guns and carriages were originally emplaced in Battery Kimble, Fort Travis (2), at Galveston, Texas and were transferred to Battery 520 in 1943.

Battery 520 Armament (edit list)
Empl
No
Caliber
Type
Barrel
Length
Model Serial
No
Manufacturer Carriage Service
Dates
Notes
1 12" Rifle 442.6" M1895MI 48 Watervliet Barbette, M1917, #21, Watertown 1944-1947 See note 1
2 12" Rifle 442.6" M1895MI 50 Watervliet Barbette, M1917, #22, Watertown 1944-1947 See note 1
Source: RCW Form 1, 15 Jun 1944, 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 213, 154-155
Note 1: Guns transferred to Fort Crockett Feb 1918 and then to Battery 520 20 Jul 1943. Carriages transferred to Fort Crockett 25 Aug 1918 and transferred to Battery 520 20 Jul 1943. CDSG Gun Card Collection from NARA
Battery 520 Plan


Current Status

Now private property and converted into residence.


Location: Fort Marshall Military Reservation, Sullivan's Island, South Carolina

Maps & Images

Lat: 32.7705371 Long: -79.8174065

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Visited: 23 Jan 2010

Battery 520 Picture Gallery

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