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.



History
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.



Current Status
Now private property and converted into residences.

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

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