FTMOU_030825_205
Existing comment:
In the background is Battery Jasper, which was closed to the public (despite the sign which said otherwise). A sign identifies it as such:

Battery Jasper (1898-1943). Battery Jasper, the primary Endicott System battery on Sullivans Island, was rushed to completion in 1898 when the Spanish-American War began. This massive, reinforced-concrete structure before you, was named for Sgt William Jasper, Revolutionary War defender of the palmetto log fort.

Four powerful 10-inch disappearing rifles were mounted on the deck of Battery Jasper. These new, breech-loading weapons each weighed 55 tons, had a range of 8.5 miles, and fired shells weighing 571 pounds.
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