Battery 520

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. History Part of the Harbor Defense of Charleston. Located on Marshall Military Reservation, a sub-post of nearby Fort Moultrie, on Sullivan's Island at the entrance to Charleston Harbor. World War II Originally built as a 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. On 18 May 1944, an SCR-296-A Radar set was installed and accepted for service as a gun laying radar primarily for Battery 520 and secondarily for Battery 230. 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 residences. Location: Fort Marshall Military Reservation, Sullivan's Island, South Carolina. Maps & Images Lat: 32.7705371 Long: -79.8174065 Multi Maps from ACME Maps from Bing Maps from Google Elevation: 20' Recent Blog Posts Fort Moultrie - Sullivan’s Island SC See Also: Marshall MR WWII Radar Site Fort Moultrie Marshall Military Reservation Harbor Defense of Charleston Sources: CDSG Links: Visited: 2 Feb 2018, 23 Jan 2010