Harbor Defense

Harbor Defense (HM19VO)

Location: Sullivans Island, SC 29482 Charleston County
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Country: United States of America
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N 32° 45.548', W 79° 51.477'

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Inscription

1873 - 1898

America's attention turned away from warfare when the Civil War ended and seacoast defenses, including Fort Moultrie, deteriorated. But another crisis wasn't long in coming - disputes with Great Britain in 1872 over the Alabama claims resulted in these two immense Civil War Rodman cannon being added to the fort's armaments. They remained in service through the Spanish American War, but by then seacoast mortars and Battery Jasper's disappearing guns provided Charleston's best defense.

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15-inch Rodman Smoothbore

An innovation in gun-casting technology developed shortly before the Civil War by General Thomas Rodman made it possible to cast these huge guns.
A crack fifteen man gun crew could load this 15-inch Rodman with 40 pounds of black powder and a 434 pound ball, aim it, fire it once every 4 minutes. Originally, four men lifted and loaded the heavy projectile by hand.

15-inch Rodman shot
These big Rodmans were part of Charleston's defense against major enemy ships such as Spanish Admiral Cervera's fleet. Fortunately the Spanish fleet never appeared off Charleston; the Rodmans were no match for the naval rifles on the Admiral's armored cruisers.
Details
HM NumberHM19VO
Tags
Placed ByNational Park Service
Marker ConditionNo reports yet
Date Added Friday, September 19th, 2014 at 9:22pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)17S E 606977 N 3625161
Decimal Degrees32.75913333, -79.85795000
Degrees and Decimal MinutesN 32° 45.548', W 79° 51.477'
Degrees, Minutes and Seconds32° 45' 32.88" N, 79° 51' 28.62" W
Driving DirectionsGoogle Maps
Area Code(s)843
Closest Postal AddressAt or near 200-298 Station 12 St, Sullivans Island SC 29482, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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