Siege artillery in the American Civil War were used by the Federal troops as their trenches approached Fort Wagner and field artillery was placed in the trenches to defend against possible Confederate sorties. While Fort Wagner was subject to near constant bombardment from the batteries listed in the table below, as approaches neared the fort's ditch the bombardment increased. Fire from U.S. Navy ships, particularly the USS "New Ironsides", proved very effective. The navy were able to skip the round shells from their XI-inch Dahlgren guns off the water, over the ramparts, and into the fort. Several heavy Parrott rifles that had been directed against Fort Sumter
Conclusion of the American Civil War the American Civil War. "Shenandoah" had so far captured and burned eleven ships of the American whaling fleet while in Arctic waters. Waddell finally learned of Lee's surrender on June 27 when the captain of the prize "Susan & Abigail" produced a newspaper from San Francisco. The same paper contained Confederate President Jefferson Davis's proclamation that the "war would be carried on with re-newed vigor". "Shenandoah" proceeded to capture a further ten whalers in the following seven hours. Wadell then steered "Shenandoah" south, intending to raid the port of San Francisco which he believed to be poorly defended. En route