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
Photographers of the American Civil War April 14, 1861, Osborn would visit the fort and its surrounds on at least two occasions, taking at least 43 stereo images of the battle's aftermath, in what is the largest known group of Confederate images of the war, and which is considered the most comprehensive photographic record of a Civil War engagement ever made. Today, thirty-nine are known to exist. Their friendship would outlast their Charleston business however, which the war and damaging fires had brought to an end by February 1862. Then, in September 1863, in response to Gen. Thomas Jordan's desire to document what "Southern troops could