Super wide aerial shot of Fort Sumter from Fort Johnson in Charleston Harbor, South Carolina

fort sumter charleston charleston harbor civil war history drone american history american civil war fort johnson civil war landmarks island fort aerial view historic landmarks coastal defense first shot of civil war military history island fortresses harbor defense historic artillery south carolina history sea fort confederate stronghold james island south carolina union blockade low country defense architecture harbor confederate army historic site bastions ramparts military legacy cannon fire cannon shot national park military forts naval forts coastal forts tourism coastal fortresses sullivans island union army atlantic ocean castle pinckney patriots point ravenel bridge 4k 24 fps super wide shot