Monday, December 1, 2025

The Ironclad Assault on Charleston Part III (April 7-After, 1863)

The sinking of the Keokuk as illustrated in Harper's Weekly

Charleston Stands

It seemed to the Federals that the Confederates were unfazed. This was almost true, and the Charleston defenders had reason to be elated. Losses at Fort Moultrie were paltry. When he took a boat over there, General Ripley learned that the most considerable damage was done to the flagstaff. It had been cut by enemy shot, the top part falling down and crushing a Private Lusby. Lusby soon died from his injury. The Confederates defiantly set their regimental flag on the traverse to replace the one that had fallen. The other casualty at this spot was a gunner, Private Harrison, who accidentally lost a finger while helping push his gun into place.[1]

Indeed, Confederate losses were light, especially in terms of men. An ammunition chest exploded in Battery Wagner, killing 4 men and wounding 4 others. Fort Sumter, which was hit about 55 times, can be said to have had the worst of it. One Columbiad exploded and flew back into the parade grounds, and a rifled 42-pound piece was put out of action not by enemy fire, but by a defective gun carriage that was crushed by the recoil of the gun. Six men, one of them a slave or free black, were hit by debris from shattered brick and wood. Major Echols, one of the engineers, added, “Nearly all the window panes and some of the sashes in the fort were broken by concussion.”[2] Total Confederate losses in manpower mounted to 4 dead and 10 wounded.[3]

An example of a Columbiad (https://www.hmdb.org/m.asp?m=30675)

The site where the Columbiad fell out of place provided a humorous anecdote for the 1st South Carolina Artillery’s history.

After the fire had been put out and all the combustibles removed or saturated with water, the writer, who was Officer of the Day, returned to the parapet by way of the turret stairs at the northeast angle. As he stepped from the turret to the terreplein, the gunner of the first gun saluted him and gravely said: “Mr. Officer of the Day, have you seen an eight-inch Columbiad running around anywhere that you have been?” In reply to the question, “Are you crazy or drunk my man; what do you mean?” he pointed to his gun carriage, which was empty, and said, “We fired our gun just now, but when we started to sponge her for a new load we saw that she had gone!”[4]

While he was not present for the battle, Beauregard deserves special credit for the defense. His and his engineers’ extensive work in turning Charleston into a fortress had paid off splendidly. Major Harris of the Engineers celebrated, “The manner in which the fort withstood the bombardment, and encourages us to believe that the repairs that have been made, and the measures now in progress to strengthen and protects its walls, will enable the fort to withstand a much more formidable bombardment with like good results.”[5]

Charleston’s mostly secessionist citizenry were likewise elated. One wrote, “It was a most signal defeat for them. We did not use on half of our guns and had no recourse to rams, torpedoes, etc.” The same civilian wished the Federals had tried harder, because an extended battle would have surely been catastrophic for them.[6] The mood was certainly high in Confederate Charleston, but not so much in the Union Navy.

 

Du Pont Was Right

The following post-battle meeting on the New Ironsides between the officers was “as solemn as a scene of death.” Commander Donald Fairfax of the Nantucket perhaps summarized the captains’ feeling when he said, “I am disappointed beyond measure at this experiment of monitors overcoming strong forts. It was a fair trial.” The captains described the condition of their ships. Part of the Weehawken’s hull was so battered that the iron plating turned into “splintered fragments,” capable of being “picked off by hand.” Water was pouring into the Passaic’s turret. The New Ironsides had been hit plenty of times, but Commodore Turner had the foresight to pile on sandbags for extra protection. As a result the flagship had got out of the battle with light damage. The Nantucket was littered with dislodged bolts and nuts, and the smokestack was riddled with holes. In many places the iron exterior was cracked, and as with several other ships in the assault the turret was now jammed. Despite all this, the bulk of machinery and boilers remained working. And of course the Nahant and Keokuk had it the worst.[7] Du Pont “determined not to renew the attack, for, in my judgment, it would have converted a failure into a disaster.”[8]

On April 8 he told his chief of staff, C.R.P. Rodgers, “I have given careful thought during the night to all the bearings of this matter, and have come to the positive determination from which I shall not swerve…I have decided not to renew the attack.” In a letter he predicted, successfully, that “the monitor people will be my worst enemies,” referring to the enthusiastic Welles and Fox’s misplaced faith in the new sea engines.[9]

Du Pont pointed out in his report that in just a short time, 5 of the ironclads “were wholly or partially disabled.” A “persistence in the attack would only result in the loss of the greater portion of the ironclad fleet and in leaving many of them inside the harbor to fall into the hands of the enemy.”[10] Commander Fairfax of the Nantucket identified another problem. He wrote in his report that the ironclads’ armor made them hard to take down, but they didn’t have enough guns to actually take down the “formidable earthworks and forts” in Charleston Harbor, reconfirming what had already been learned at the bombardment of Fort McAllister two months previously.[11]

Beauregard agreed with his enemy. He reported: “The heaviest batteries had not been employed; therefore it may be accepted, as shown, that these vaunted monitor batteries, though formidable engines of war, after all are not invulnerable or invincible and may be destroyed or defeated by heavy ordnance, properly placed and skillfully handled. In reality they have not materially altered the military relations of forts and ship.”[12]

 

Sinking of the Keokuk

The Keokuk had the worst of the ironclads, thanks to all the leaks it had acquired. Commander Rhind wrote “So large and ragged were the apertures that it was impossible to keep anything our means supplied in the holes.” Another officer observed it was “riddled like a colander.” The crew tried to pump out the water, but to no effect. The Keokuk signaled distress and Dandelion came to tow the ship away. However, this only caused more water to spill in and the crew had to abandon ship. They made it safely aboard the Dandelion. The Keokuk sank at 8:20, only the top of its smokestack and turret towers remaining above water. It was lost to the Union, but close to Confederate-held Morris Island.[13]

The Union wrote off the wreck, thinking it too “full of sand” and drowned to either rescue or explode. The Confederates, on the other hand, really wanted the Dahlgren guns. The Confederacy was light on proper coastal defense guns, and having the latest in artillery design would be a major boon. This recovery expedition was headed by civilian engineer Adolphus W. La Coste. Fearing the large Federal fleet still nearby, La Coste’s team only worked at night, with boats full of garrison troops from Fort Sumter and the ironclad rams Chicora and Palmetto State standing by in case protective measures were needed. The process took the rest of April. The iron exterior of the ship had to be taken off, then sand had to be collected in bags and hoisted up and away.

The excavation of the first gun became a harrowing and nerve-wracking experience. The Dahlgren got stuck (its muzzle was having trouble getting out of the turret) as it was being lifted out of the water. Metal scraped and banged, able to be heard for a good distance. Just as the laborers hit this snag, the light of dawn was rising in the East. Soon they would be visible to the blockade ships. They were desperate, but still they could not get the gun loose, even though all the extra weight of sand had been taken care of. The unappealing prospect of dropping the gun and having to hoist it up again came to mind. Captain John Johnson, who was lending his engineering talents to the expedition, captured the uncertainty and despair of the moment. “Not a moment was to be lost. Who would give the order to cut loose the prize? Every one shrank from it. Yet what else remained to do?”[14]

Good fortune came at the last minute. A heavy wind knocked the Dahlgren loose from where it was struck. Hurriedly, it was tied to the deck of a ship and pulled away to safety. The second gun was recovered three days later. The entire operation had been conducted without any notice from the blockade fleet. Sponges, rammers, and lanterns were transferred to the Confederate ship Chicora, and the Confederates also accrued a few Federal flags and pennants as trophies. One of the Dahlgrens would be placed in Fort Sullivan and the other in Fort Sumter. They would lend great assistance in the coming battles that summer.[15]

One of the Keokuk's Dahlgrens ended up in this battery.

With the addition of new guns, The Confederates worked on repairing their fortifications. Men from the 46th Georgia arrived at Fort Sumter to help with repairs and reinforce the garrison. General Ripley sent out instructions for a possible attack the next day. One was to target the decks of the ironclads, particularly where they met the turrets. The Confederate commanders had noted how damage to the turret and its rotating machinery had reduced the efficiency of their crafts.[16]

Overall, throughout the attack the Confederates fired 2,209 shots, with at least 520 hitting their targets. These shots were divided between 76 active artillery pieces,  Beauregard grandly stated in his report, “the state of South Carolina, bay well be proud of the men who first met and vanquished the iron-mailed, terribly armed armada, so confidently prepared and sent forth by the enemy to certain and easy victory.”[17] By contrast, the 9 Union ships only got off 151 shots in return.[18]

 

End of an Admiral

General David Hunter tried to lift Admiral Du Pont’s spirits. “That you are uninjured, and so many vessels of your command still fit for service, is a cause of deep gratitude to Almighty God.”[19] Du Pont concluded, or rather restated, that a purely naval assault would not succeed. Any further operations would need to involve cooperation between the Navy and the Army.[20]

Back north, Welles and Fox initially refused to accept the news that the attack had failed. Then they insisted it was merely a “reconnaissance” or demonstration, and that the real attack would come. As the news finally settled in, however, the north was filled with shock. The monitors had been talked up as invincible war machines. Now they had been handily repulsed. One newspaper jokingly stated, “the monitors were not walking about on land in the rear of Charleston.” A New York Herald article noted that casualties were light, but it was “one of our most discouraging disasters.” Then the time came for a scapegoat, with the Chicago Times claiming Du Pont was “incompetent and almost a coward.”[21]

Gustavus Fox

Gustavus Fox, the Assistant Secretary of the Navy, was very uncharitable, feeling that the length of the battle was awfully short and that the ironclads could simply steam in and out, building up damage against Fort Sumter.[22] The secretaries of the navy still believed the ironclad plan could work, and worked to make sure that the collection of reports from the monitor captains did not make it into the press for fear of turning off the public.[23]

Welles noted that neither of the two ships that got it worst was a monitor. A couple days later he declared in his diary, “The monitor vessels have proved their resisting power, and, but for the submarine obstructions, would have passed the forts and gone to the wharves of Charleston. This in itself is a great achievement.” He later added to his diary, “…The monitors were formidable. In this great fight the accounts speak of but a single man killed and some ten or twelve wounded. After trumpeting the ironclads in his diary, he added, “The Ironsides, the flagship, was suspiciously remote from the fight, yet sufficiently near to convince the Admiral. He had better leave the harbor.”[24] One man who had helped Ericsson with the monitors’ creation, however, revealed that the ships were never intended to go up against forts, a fact he somehow neglected to mention until literally after the attack’s failure (they were going up against forts since January).[25]

Because of his doubts before the battle and his refusal to continue after April 7, Du Pont was seen as a naval McClellan. Certainly his private correspondence fueled this belief. In a letter to his wife he wrote “We have failed, as I felt sure we would.” Nevertheless, he was outraged when the press and politicians made claims that he had given up too quickly. One newspaper claimed that three more hours would have procured victory, even though Du Pont’s subordinate ship commanders had likewise expressed the belief that continued action would have seen more damage to the fleet, if not its complete destruction.[26]

While Du Pont’s view of the ironclad strategy was true, he did himself no favors when he started to wallow in his defeat. Welles pressured him for some kind of plan, and General Hunter suggested a navy-supported amphibious assault on Morris Island (the actual strategy that Du Pont had called for before and which would be implemented three months after the ironclad attack). Welles ultimately felt he had no choice but to remove Du Pont from command.[27]

Thus Admiral Samuel Francis Du Pont, who had been in the Navy since he 1815, spent the rest of the war in Washington performing desk duties and reviewing promotions. He had spent months expressing doubts about the ironclad assault. As he had direfully predicted, the new warships could not force the harbor themselves against the formidable network of forts and batteries in Charleston Harbor. Despite the backing of his ship commanders in their reports, he was blamed for not being aggressive enough and removed. In what may have been a bitter irony, John Dahlgren, who had insulted him by trying to take command, would get his chance in the very same Army-Navy combined operation that Du Pont had suggested to no avail. The Confederates, emboldened, knew that the Union would not give up on capturing the birthplace of their fledgling nation. They were prepared.

 

Sources

Bostick, Douglas W. Charleston Under Siege: The Impregnable City. Charleston: History Press, 2010.

Burton, E. Milby. The Siege of Charleston 1861-1865. University of South Carolina Press, 1970.

Chatelain, Neil P. “Deconstructing Common Misconceptions of the April 1863Fort Sumter Ironclad Assault.” https://emergingcivilwar.com/2023/04/07/deconstructing-common-misconceptions-of-the-april-1863-fort-sumter-ironclad-assault/,

Dougherty, Kevin. Strangling the Confederacy: Coastal Operations in the American Civil War. Philadelphia: Casemate, 2010.

Du Pont, Samuel Francis. Samuel Francis Du Pont: a Selection from His Civil War Letters. Cornell University Press, 1969.

Editors of Time-Life Books. Voices of the Civil War: Charleston. Time-Life Books. 1997.

Gibbons, Tony. Warships and Naval Battles of the Civil War. New York: Gallery Books, 1989.

Hogg, Ivan V. Weapons of the Civil War. Brompton Books Corp., 1995.

Inglesby, Charles. “Historical Sketch of the First Regiment of South Carolina Artillery (Regulars), 1896.” Grenville County Library.

https://greenvillelibrary.contentdm.oclc.org/digital/collection/cwp/id/1269/rec/1.

Lineberry, Cate. Be Free or Die: The Amazing Story of Robert Smalls’ Escape from Slavery to Union Hero. St. Martin’s Press, 2017.

McPherson, James. War on the Waters: The Union & Confederate Navies, 1861-1865.University of North Carolina Press, 2012.

Merrill, James M. Du Pont, the Making of an Admiral: A Biography of Samuel Francis Du Pont. New York: Dodd & Mead, 1986.

Musicant, Ivan. Divided Waters: The Naval History of the Civil War. New York: HarperCollins, 1995.

Official Records of the Union and Confederate Navies XIV. Washington: Government Printing Office, 1892.

Poore, Devin. “Raiding the Keokuk” New York Times May 24, 2013.

Welles, Gideon. Diary of Gideon Welles, Secretary of the Navy Under Lincoln and Johnson Vol. 1. Boston: Houghton Mifflin, 1911.

 


[1] ORN XIV, 80, 100.

[2] ORN XIV, 80, 87-88.

[3] Bostick, Charleston Under Siege, 65.

[4] Inglesby, “Historical Sketch,” 9.

[5] ORN XIV, 84.

[6] McPherson, War on the Waters, 146-147.

[7] ORN XIV, 11-12, 19-21, 26.

[8] Merrill, Du Pont, 292; Musicant, Divided Waters, 390; ORN XIV, 3.

[9] Merrill, Du Pont, 292, 294.

[10] ORN XIV, 6-7.

[11] ORN XIV, 18.

[12] ORN XIV, 77.

[13] ORN XIV, 24-25 Bostick, Charleston Under Siege, 65; Lineberry, Be Free or Die, 143.

[14] Devin Poore, “Raiding the Keokuk” New York Times May 24, 2013.

[15] Poore, “Raiding the Keokuk”; ORN XIV, 76, 110 Bostick, Charleston Under Siege, 66.

[16] ORN XIV, 80, 103.

[17] ORN XIV, 77, 83-84.

[18] McPherson, War on the Waters, 146.

[19] ORN XIV, 32.

[20] ORN XIV, 3.

[21] Merrill, Du Pont, 294-295; Burton, The Siege of Charleston, 142.

[22] ORN XIV, 38.

[23] Merrill, Du Pont, 296.

[24] Welles, Diary of Gideon Welles, 265, 267-269.

[25] Tony Gibbons, Warships and Naval Battles, 31.

[26] McPherson, War on the Waters, 147-148.

[27] Merrill, Du Pont, 296-298.

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