USS New Ironsides (1862)
Encyclopedia
USS New Ironsides was a wooden-hulled broadside ironclad built for the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 during the American Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

. The ship spent most of her career blockading
Blockade
A blockade is an effort to cut off food, supplies, war material or communications from a particular area by force, either in part or totally. A blockade should not be confused with an embargo or sanctions, which are legal barriers to trade, and is distinct from a siege in that a blockade is usually...

 the Confederate
Confederate States of America
The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

 ports of Charleston, South Carolina
Charleston, South Carolina
Charleston is the second largest city in the U.S. state of South Carolina. It was made the county seat of Charleston County in 1901 when Charleston County was founded. The city's original name was Charles Towne in 1670, and it moved to its present location from a location on the west bank of the...

, and Wilmington, North Carolina
Wilmington, North Carolina
Wilmington is a port city in and is the county seat of New Hanover County, North Carolina, United States. The population is 106,476 according to the 2010 Census, making it the eighth most populous city in the state of North Carolina...

 in 1863–65. New Ironsides bombarded the fortifications defending Charleston in 1863 during the First
First Battle of Charleston Harbor
The First Battle of Charleston Harbor was an engagement near Charleston, South Carolina that took place April 7, 1863, during the American Civil War. The striking force was a fleet of nine ironclad warships of the Union Navy, including seven monitors that were improved versions of the original ....

 and Second Battles of Charleston Harbor
Second Battle of Charleston Harbor
The Second Battle of Charleston Harbor, also known as the Siege of Charleston Harbor, Siege of Fort Wagner, or Battle of Morris Island, took place during the American Civil War in the late summer of 1863 between a combined Union Army/Navy force and the Confederate defenses of Charleston, South...

. At the end of 1864 and the beginning of 1865 she bombarded the defenses of Wilmington in the First
First Battle of Fort Fisher
The First Battle of Fort Fisher, was a siege fought from December 23 to December 27, 1864, was a failed attempt by Union forces to capture the fort guarding Wilmington, North Carolina, the South's last major port on the Atlantic Ocean...

 and Second Battles of Fort Fisher
Second Battle of Fort Fisher
The Second Battle of Fort Fisher was a joint assault by Union Army and naval forces against Fort Fisher, outside Wilmington, North Carolina, near the end of the American Civil War...

.

Although she was struck many times by Confederate shells, gunfire never significantly damaged the ship or injured the crew. Her only casualty in combat occurred when she was struck by a spar torpedo
Spar torpedo
A spar torpedo is a weapon consisting of a bomb placed at the end of a long pole, or spar, and attached to a boat. The weapon is used by running the end of the spar into the enemy ship. Spar torpedoes were often equipped with a barbed spear at the end, so it would stick to wooden hulls...

 carried by the . Eight crewmen were awarded the Medal of Honor
Medal of Honor
The Medal of Honor is the highest military decoration awarded by the United States government. It is bestowed by the President, in the name of Congress, upon members of the United States Armed Forces who distinguish themselves through "conspicuous gallantry and intrepidity at the risk of his or her...

 for their actions during the Second Battle of Fort Fisher in 1865. The ship was destroyed by fire in 1866 after she was placed in reserve
Reserve fleet
A reserve fleet is a collection of naval vessels of all types that are fully equipped for service but are not currently needed, and thus partially or fully decommissioned. A reserve fleet is informally said to be "in mothballs" or "mothballed"; an equivalent expression in unofficial modern U.S....

.

Design and description

After the United States received word of the construction of the Confederate casemate ironclad
Casemate ironclad
The casemate ironclad is a type of iron or iron-armored gunboat briefly used in the American Civil War. Compared to the traditional ironclad warship, the casemate ironclad does not have its cannons in an armored gun deck, but instead has a casemate structure on the main deck housing the guns...

, , Congress
United States Congress
The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

 appropriated $1.5 million on 3 August to build one or more armored steamships. It also ordered the creation of a board to inquire into armored ships. The US Navy advertised for proposals for "iron-clad steam vessels of war" on 7 August and Gideon Welles
Gideon Welles
Gideon Welles was the United States Secretary of the Navy from 1861 to 1869. His buildup of the Navy to successfully execute blockades of Southern ports was a key component of Northern victory of the Civil War...

, the Secretary of the Navy
United States Secretary of the Navy
The Secretary of the Navy of the United States of America is the head of the Department of the Navy, a component organization of the Department of Defense...

, appointed the three members of the Ironclad Board the following day. Their task was to "examine plans for the completion of iron-clad vessels". They evaluated 17 different designs, but recommended only three on 16 September.

The three ironclad ships differed substantially in design and degree of risk. The was the most innovative design by virtue of its low freeboard
Freeboard (nautical)
In sailing and boating, freeboardmeans the distance from the waterline to the upper deck level, measured at the lowest point of sheer where water can enter the boat or ship...

, shallow -draft
Draft (hull)
The draft of a ship's hull is the vertical distance between the waterline and the bottom of the hull , with the thickness of the hull included; in the case of not being included the draft outline would be obtained...

 iron hull, and total dependence on steam power. The riskiest element of its design was its rotating gun turret
Gun turret
A gun turret is a weapon mount that protects the crew or mechanism of a projectile-firing weapon and at the same time lets the weapon be aimed and fired in many directions.The turret is also a rotating weapon platform...

, something that had not previously been built or tested by any navy.British trials of a turret designed by Cowper Coles
Cowper Phipps Coles
Captain Cowper Phipps Coles, C.B., R.N. , the son of the Reverend John Coles and his wife Mary Ann Goodhew Rogers, was an English naval Captain and inventor. Coles died when HMS Captain, an experimental warship built to his designs, sank with him onboard.-Naval career:He entered the Royal Navy at...

 on board the floating battery
Floating battery
A floating battery is a kind of armed watercraft, often improvised or experimental, which carries a heavy armament but has few other qualities as a warship.An early appearance was during the Great Siege of Gibraltar....

 HMS Trusty
Aetna class ironclad floating battery
The Aetna-class ironclad floating batteries were built during the Crimean War for the attack of Russian coastal fortifications.Britain and France each laid down five of these coastal attack vessels in 1854. The French used three of their batteries in 1855 against the defences at Kinburn on the...

 did not begin until the following month.Brown, pp. 41–43
Its designer John Ericsson
John Ericsson
John Ericsson was a Swedish-American inventor and mechanical engineer, as was his brother Nils Ericson. He was born at Långbanshyttan in Värmland, Sweden, but primarily came to be active in England and the United States...

's guarantee of delivery in 100 days proved to be decisive in choosing his design despite the risk involved. The wooden-hulled 's most novel feature was her armor of interlocking iron rails. The New Ironsides was much influenced by the and was the most conservative design of the three, which copied many of the features of the French ship. The well-known Philadelphia engine-building firm of Merrick & Sons made the proposal for New Ironsides, but they did not have a slipway
Slipway
A slipway, boat slip or just a slip, is a ramp on the shore by which ships or boats can be moved to and from the water. They are used for building and repairing ships and boats. They are also used for launching and retrieving small boats on trailers and flying boats on their undercarriage. The...

 so they subcontracted the ship to William Cramp and Sons
William Cramp and Sons
thumb | upright | 1899 advertisement for William Cramp & Sons William Cramp & Sons Shipbuilding Company of Philadelphia was founded in 1825 by William Cramp, and was the preeminent U.S. iron shipbuilder in the 19th century. The American Ship & Commerce Corporation bought the yard in 1919 but closed...

. William Cramp claimed credit for the detailed design of the ship's hull, but the general design work was done by Merrick & Sons.

New Ironsides was 230 feet (70.1 m) long between perpendiculars and 249 in 6 in (76.05 m) long overall. She had a beam
Beam (nautical)
The beam of a ship is its width at the widest point. Generally speaking, the wider the beam of a ship , the more initial stability it has, at expense of reserve stability in the event of a capsize, where more energy is required to right the vessel from its inverted position...

 of 57 in 6 in (17.53 m) and a of draft 15 in 8 in (4.78 m). The ship displaced 4120 long tons (4,186.1 t), 495 long tons (502.9 t) more than her designed displacement. To minimize her draft, New Ironsides was given a wide beam and a flat bottom. She had a rectangular ram
Naval ram
A naval ram was a weapon carried by varied types of ships, dating back to antiquity. The weapon consisted of an underwater prolongation of the bow of the ship to form an armoured beak, usually between six and twelve feet in length...

 that projected 6 feet (1.8 m) forward from her bow. The ship's crew consisted of 449 officers and men.

A two-piece articulated rudder
Rudder
A rudder is a device used to steer a ship, boat, submarine, hovercraft, aircraft or other conveyance that moves through a medium . On an aircraft the rudder is used primarily to counter adverse yaw and p-factor and is not the primary control used to turn the airplane...

 was fitted to New Ironsides, but it proved unsatisfactory in service as the ship became more unmanageable as her speed increased. The rudder was blamed at the time, but the very full shape of the ship's hull aft was the most likely cause as it screened the rudder from the flow of water behind the hull. The ship's hull was coppered to reduce fouling
Biofouling
Biofouling or biological fouling is the undesirable accumulation of microorganisms, plants, algae, or animals on wetted structures.-Impact:...

.

Propulsion

New Ironsides had two simple horizontal two-cylinder direct-acting steam engines driving a single brass
Brass
Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties.In comparison, bronze is principally an alloy of copper and tin...

 13 feet (4 m) propeller
Propeller
A propeller is a type of fan that transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blade, and a fluid is accelerated behind the blade. Propeller dynamics can be modeled by both Bernoulli's...

. Steam was provided by four horizontal fire-tube boiler
Fire-tube boiler
A fire-tube boiler is a type of boiler in which hot gases from a fire pass through one or more tubes running through a sealed container of water...

s at a working pressure of 20 pound per square inch. The engines produced 1800 ihp which gave the ship a maximum speed around 6 knots (3.3 m/s). New Ironsides carried 350 long tons (355.6 t) of coal and her propeller could be disengaged to reduce drag while under sail alone. The ship was barque-rigged with three masts that were used only for long-distance voyages, and were removed, with their rigging, once on station. The best speed under sail and steam together was only about 7 knots (3.8 m/s).

Armament

The ship's main armament was originally going to consist of 16 smoothbore
Smoothbore
A smoothbore weapon is one which has a barrel without rifling. Smoothbores range from handheld firearms to powerful tank guns and large artillery mortars.-History of firearms and rifling:...

, muzzle-loading 9 inches (229 mm) Dahlgren gun
Dahlgren gun
Dahlgren guns were muzzle loading naval artillery designed by Rear Admiral John A. Dahlgren USN, mostly used in the period of the American Civil War. Dahlgren's design philosophy evolved from an accidental explosion in 1849 of a 32-pounder being tested for accuracy, killing a gunner...

s mounted on the gun deck. But the navy was less than impressed by the performance of 9-inch Dahlgrens during the Battle of Hampton Roads
Battle of Hampton Roads
The Battle of Hampton Roads, often referred to as either the Battle of the Monitor and Merrimack or the Battle of Ironclads, was the most noted and arguably most important naval battle of the American Civil War from the standpoint of the development of navies...

 and wanted more powerful 11 inches (279 mm) guns. Accordingly, the design changed while the ship was under construction to accommodate fourteen 11-inch Dahlgren guns and two muzzle-loading 8 inches (203 mm), 150-pounder Parrott rifle
Parrott rifle
The Parrott rifle was a type of muzzle loading rifled artillery weapon used extensively in the American Civil War.-Parrott Rifle:The gun was invented by Robert Parker Parrott, a West Point graduate. He resigned from the service in 1836 and became the superintendent of the West Point Foundry in Cold...

s. Two 5.1 inches (130 mm), 50-pounder Dahlgren rifles were fitted on the upper deck as chase gun
Chase gun
The chase guns, usually distinguished as bow chasers and stern chasers were cannons mounted in the bow or stern of a sailing ship...

s. They were replaced by 60-pounder Dahlgren rifles by October 1864.

Each 11-inch gun weighed approximately 16000 pounds (7,257.5 kg). They could fire a 136 pounds (61.7 kg) shell at a range of 3650 yards (3,337.6 m) at an elevation of 15°. The muzzle-loading Parrott rifles fired a 152 pounds (68.9 kg) shell at a muzzle velocity
Muzzle velocity
Muzzle velocity is the speed a projectile has at the moment it leaves the muzzle of the gun. Muzzle velocities range from approximately to in black powder muskets , to more than in modern rifles with high-performance cartridges such as the .220 Swift and .204 Ruger, all the way to for tank guns...

 of 1200 ft/s (365.8 m/s). The 17-caliber
Caliber (artillery)
In artillery, caliber or calibredifference in British English and American English spelling is the internal diameter of a gun barrel, or by extension a relative measure of the length....

 guns weighed 16300 pounds (7,393.6 kg) each. The 50-pounder Dahlgren rifles weighed approximately 5600 pounds (2,540.1 kg). The small size of the gun ports limited the guns, however, to a maximum elevation of 4.5° which reduced their range to less than 2000 yards (1,828.8 m).

The existing wooden carriages for 11-inch guns were too long to fit in New Ironsidess cramped battery. A new iron carriage was built where the gun rode in a cradle that slid on iron rails. The new carriages pivoted at the gun ports to minimize the size of the ports. Two compressors, or clamps, were fitted to squeeze the rails and increase friction between the rails and the cradle, but these were not strong enough to handle the recoil
Recoil
Recoil is the backward momentum of a gun when it is discharged. In technical terms, the recoil caused by the gun exactly balances the forward momentum of the projectile and exhaust gasses, according to Newton's third law...

 force when the gun was fired. Two more compressors were fitted as well as rope breechings to restrain the guns, but neither was entirely satisfactory. The problem was not resolved until December 1862 when strips of ash wood were placed underneath the compressors; the friction of iron on wood was double that of iron on iron and the increased friction solved the problem.

Armor

New Ironsides had a complete waterline
Waterline
The term "waterline" generally refers to the line where the hull of a ship meets the water surface. It is also the name of a special marking, also known as the national Load Line or Plimsoll Line, to be positioned amidships, that indicates the draft of the ship and the legal limit to which a ship...

 belt
Belt armor
Belt armor is a layer of heavy metal armor plated on to or within outer hulls of warships, typically on battleships, battlecruisers and cruisers, and on aircraft carriers converted from those types of ships....

 of wrought iron
Wrought iron
thumb|The [[Eiffel tower]] is constructed from [[puddle iron]], a form of wrought ironWrought iron is an iron alloy with a very low carbon...

 that was 4.5 inches (114 mm) thick. Below the waterline it was reduced to 3 inches (76 mm). It reached 3 foot (0.9144 m) above the waterline and 4 feet (1.2 m) below. Above the belt the 170 feet (51.8 m) battery was protected by 4.5-inch armor, but the bow and stern were left unprotected. Although not initially part of the design, transverse bulkhead
Bulkhead (partition)
A bulkhead is an upright wall within the hull of a ship or within the fuselage of an airplane. Other kinds of partition elements within a ship are decks and deckheads.-Etymology:...

s were added during construction to protect the ends of the battery. They consisted of 2.5 inches (64 mm) of wrought iron backed by 12 inches (30 cm) of white oak
White oak
Quercus alba, the white oak, is one of the pre-eminent hardwoods of eastern North America. It is a long-lived oak of the Fagaceae family, native to eastern North America and found from southern Quebec west to eastern Minnesota and south to northern Florida and eastern Texas. Specimens have been...

. The deck
Deck (ship)
A deck is a permanent covering over a compartment or a hull of a ship. On a boat or ship, the primary deck is the horizontal structure which forms the 'roof' for the hull, which both strengthens the hull and serves as the primary working surface...

 was three inches of yellow pine
Southern Yellow Pine
Southern Yellow Pine doesn't refer to any one species of tree, but rather a group of species which are classified as yellow pine , and are native to the Southern United States. They grow very well in the acidic red clay soil found in most of the region. The varieties include Loblolly, Longleaf,...

 beneath 1 inches (2.5 cm) of wrought iron. Mirroring French practice, the armor plates were secured to the ship's hull and deck by countersunk
Countersink
A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the surrounding material...

 screws. The armor plates were cut with a groove on each side and an iron bar was inserted between each plate to better distribute the shock of impact. The side armor was backed by 21 inches (533 mm) of wood. A conning tower
Conning tower
A conning tower is a raised platform on a ship or submarine, often armored, from which an officer can con the vessel; i.e., give directions to the helmsman. It is usually located as high on the ship as practical, to give the conning team good visibility....

 with three-inch sides was also added during construction. It was placed behind the funnel and the mainmast, and had no visibility directly forward. It was small and could only fit three people.

Each of the ship's gun ports was protected by two armored shutters, each 4 inches (10 cm) thick. Each shutter rotated on an axle at its top operated from inside the battery. In combat these shutters frequently cracked or broke when hit; rarely was a shutter jammed in either the open or closed position.

Construction

New Ironsides was named in honor of , which earned the nickname "Old Ironsides" during her engagement with in the War of 1812
War of 1812
The War of 1812 was a military conflict fought between the forces of the United States of America and those of the British Empire. The Americans declared war in 1812 for several reasons, including trade restrictions because of Britain's ongoing war with France, impressment of American merchant...

. As Constitution herself was still in commission, the name was unavailable for a new ship.

Merrick & Sons was awarded a $780,000 contract for the ship on 15 October 1861 for delivery in nine months. A $500 penalty was imposed for each day past 15 July 1862 that the ship was delayed. Commodore
Commodore (rank)
Commodore is a military rank used in many navies that is superior to a navy captain, but below a rear admiral. Non-English-speaking nations often use the rank of flotilla admiral or counter admiral as an equivalent .It is often regarded as a one-star rank with a NATO code of OF-6, but is not always...

 Charles Stewart sponsored the ship as she was launched on 10 May 1862. She was commissioned
Ship commissioning
Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 on 21 August, but the navy did not invoke the penalty for late delivery. On 27 September the navy paid Merrick & Sons $34,322.06 for "extras", presumably the armored bulkheads, shutters, and conning tower not included in the original specifications.

Service

The day after New Ironsides was commissioned, she sailed for Hampton Roads
Hampton Roads
Hampton Roads is the name for both a body of water and the Norfolk–Virginia Beach metropolitan area which surrounds it in southeastern Virginia, United States...

 where Rear Admiral Goldsborough
Louis M. Goldsborough
Louis Malesherbes Goldsborough was a rear admiral in the United States Navy during the Civil War. He held several sea commands during the Civil War, including the North Atlantic Blockading Squadron...

 had been requesting her since July. He feared a Confederate sortie
Sortie
Sortie is a term for deployment or dispatch of one military unit, be it an aircraft, ship, or troops from a strongpoint. The sortie, whether by one or more aircraft or vessels, usually has a specific mission....

 down the James River to attack his ships and did not believe that his armored sloop
Sloop
A sloop is a sail boat with a fore-and-aft rig and a single mast farther forward than the mast of a cutter....

s Galena and Monitor would be enough. On 31 August, Secretary Welles ordered New Ironsides back to Philadelphia for post-trial repairs. Her voyage to Hampton Roads had revealed problems with her steering, gun recoil, and lack of speed. A start was made on the gun recoil problem when she was ordered to return to Hampton Roads on 23 September, but the other two problems proved to be intractable. She was kept ready to respond to a Confederate attack with steam up while mechanics were sent to fix the recoil problems and the crew was training.

New Ironsides joined the South Atlantic Blockading Squadron at Port Royal, South Carolina
Port Royal, South Carolina
Port Royal is a town in Beaufort County, South Carolina, United States. Largely because of annexation of surrounding areas , the population of Port Royal rose from 3,950 in 2000 to 10,678 in 2010, a 170% increase. As defined by the U.S...

, on 17 January 1863. When she first arrived, the ship exchanged her masts and rigging for poles suitable for signaling. Rear Admiral Du Pont
Samuel Francis du Pont
Samuel Francis Du Pont was an American naval officer who achieved the rank of Rear Admiral in the United States Navy, and a member of the prominent Du Pont family; he was the only member of his generation to use a capital D...

 ordered that the ship's funnel
Funnel (ship)
A funnel is the smokestack or chimney on a ship used to expel boiler steam and smoke or engine exhaust. They can also be known in as stacks.-Purpose:...

 be cut down to improve the visibility from the conning tower, but the fumes from the funnel nearly asphyxiated the men in the conning tower and on the gun deck, and the funnel had to be restored. He also attempted to move the 18 long tons (18.3 t) conning tower to a better position, but it was too heavy for the equipment available.

The day after the Confederate casemate ironclad
Casemate ironclad
The casemate ironclad is a type of iron or iron-armored gunboat briefly used in the American Civil War. Compared to the traditional ironclad warship, the casemate ironclad does not have its cannons in an armored gun deck, but instead has a casemate structure on the main deck housing the guns...

s and sortied and briefly captured two Union ships on 31 January, New Ironsides was ordered to patrol off Charleston Harbor. The ship remained at Charleston for the rest of the year except for brief intervals at Port Royal. She participated in the First Battle of Charleston Harbor on 7 April 1863, when nine Union ironclads entered the harbor and conducted a prolonged, but inconclusive, bombardment of Fort Sumter
Fort Sumter
Fort Sumter is a Third System masonry coastal fortification located in Charleston Harbor, South Carolina. The fort is best known as the site upon which the shots initiating the American Civil War were fired, at the Battle of Fort Sumter.- Construction :...

. New Ironsides served as the flagship
Flagship
A flagship is a vessel used by the commanding officer of a group of naval ships, reflecting the custom of its commander, characteristically a flag officer, flying a distinguishing flag...

 of Rear Admiral Du Pont during the battle. He and his staff occupied the conning tower during the engagement, which forced the ship's captain to command the ship from the gun deck. Admiral Du Pont's pilot
Maritime pilot
A pilot is a mariner who guides ships through dangerous or congested waters, such as harbours or river mouths. With the exception of the Panama Canal, the pilot is only an advisor, as the captain remains in legal, overriding command of the vessel....

 was unfamiliar with New Ironsides quirks, and the channel used during the attack was shallower in places than her deep draft; she maneuvered erratically and had to anchor several times to avoid going aground. The monitors and collided with New Ironsides as they attempted to move past her, but no damage was suffered by any of the ships. As the ship was withdrawing she anchored directly over a Confederate "torpedo"
Naval mine
A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

 (mine) that was filled with 3000 pound of gunpowder
Gunpowder
Gunpowder, also known since in the late 19th century as black powder, was the first chemical explosive and the only one known until the mid 1800s. It is a mixture of sulfur, charcoal, and potassium nitrate - with the sulfur and charcoal acting as fuels, while the saltpeter works as an oxidizer...

 that failed to detonate. During the bombardment New Ironsides fired only a single broadside, but she was hit over 50 times in return without significant damage or casualties.

New Ironsides repeatedly bombarded Confederate positions in the successful campaign to take Fort Wagner
Fort Wagner
Fort Wagner was a beachhead fortification on Morris Island, South Carolina, that covered the southern approach to Charleston harbor...

 on Morris Island
Morris Island
Morris Island is an 840 acre uninhabited island in Charleston Harbor in South Carolina, accessible only by boat. The island lies in the outer reaches of the harbor and was thus a strategic location in the American Civil War.-History:...

 beginning with the Second Battle of Fort Wagner on 18 July through the next two months and the Second Battle of Charleston Harbor. During this time the ship was the target of a failed spar torpedo
Spar torpedo
A spar torpedo is a weapon consisting of a bomb placed at the end of a long pole, or spar, and attached to a boat. The weapon is used by running the end of the spar into the enemy ship. Spar torpedoes were often equipped with a barbed spear at the end, so it would stick to wooden hulls...

 boat attack on 21 August. While resupplying ammunition on 8 September, New Ironsides was called to provide cover for the monitor which had grounded between Fort Sumter and Cummings Point. New Ironsides anchored 1200 yards (1,097.3 m) in front of Fort Moultrie and forced the Confederate gunners to seek cover; she fired 483 shells and was struck at least 70 times. The ship also contributed crewmen for the landing party that unsuccessfully attempted to seize Fort Sumter
Second Battle of Fort Sumter
-References:*...

 on the night of 8–9 September. Between July and October New Ironsides fired 4439 rounds and was hit by at least 150 heavy projectiles, none of which inflicted any significant damage or casualties.
.
Another spar torpedo attack
Attack on USS New Ironsides
The Attack on USS New Ironsides in October 1863 was one of the first successful torpedo boat engagements in history. Confederate forces in Charleston, South Carolina deployed the newly built semi-submersible CSS David to attach a spar torpedo to the hull of USS New Ironsides...

 was made by the semi-submersible
Semi-submersible
A semi-submersible is a specialised marine vessel with good stability and seakeeping characteristics. The semi-submersible vessel design is commonly used in a number of specific offshore roles such as for offshore drilling rigs, safety vessels, oil production platforms and heavy lift cranes.The...

  on the night of 5 October 1863. The attack was successful, but the damage was minor, and only one man later died of his wounds. New Ironsides remained on station until 6 June 1864 when she returned to Port Royal preparatory to a return to Philadelphia for repairs and a general overhaul. Her masts and rigging were replaced and most of the ship's crew with time remaining on their enlistments were transferred to other ships in the squadron. The ship arrived at the Philadelphia Naval Shipyard
Philadelphia Naval Shipyard
The Philadelphia Naval Business Center, formerly known as the Philadelphia Naval Shipyard and Philadelphia Navy Yard, was the first naval shipyard of the United States. The U.S. Navy reduced its activities there in the 1990s, and ended most of them on September 30, 1995...

 on 24 June and was decommissioned
Ship decommissioning
To decommission a ship is to terminate her career in service in the armed forces of her nation. A somber occasion, it has little of the elaborate ceremony of ship commissioning, but carries significant tradition....

 six days later to begin her refit.

New Ironsides completed her overhaul in late August 1864, now under the command of Commodore William Radford
William Radford
William Radford was an rear admiral of the United States Navy, who served during the Mexican–American War and the American Civil War.-Biography:...

, but did not join the North Atlantic Blockading Squadron in Hampton Roads until October when her crew finished gunnery training. She participated in a major assault in December on Fort Fisher
Fort Fisher
Fort Fisher was a Confederate fort during the American Civil War. It protected the vital trading routes of the port at Wilmington, North Carolina, from 1861 until its capture by the Union in 1865....

, North Carolina
North Carolina
North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...

, in an effort to stop blockade running into the port of Wilmington
Wilmington, North Carolina
Wilmington is a port city in and is the county seat of New Hanover County, North Carolina, United States. The population is 106,476 according to the 2010 Census, making it the eighth most populous city in the state of North Carolina...

. Though this attack was called off on Christmas Day after an extensive bombardment, the Union fleet returned to resume the operation on 13 January 1865. New Ironsides was one of several warships that heavily shelled Fort Fisher, preparing the way for a ground assault that captured the position on 15 January. Afterward and for the next few months, New Ironsides supported Union activities on the James River
James River
The James River may refer to:Rivers in the United States and their namesakes* James River * James River , North Dakota, South Dakota* James River * James River * James River...

. She was decommissioned
Ship decommissioning
To decommission a ship is to terminate her career in service in the armed forces of her nation. A somber occasion, it has little of the elaborate ceremony of ship commissioning, but carries significant tradition....

 on 6 April 1865 and was laid up at League Island, Philadelphia, where, on the night of 15/16 December 1866, New Ironsides was destroyed by a fire, probably due to an untended stove. The ship was towed to shallow water where she burned and sank. Her wreck was salvaged and her boilers were offered for sale in 1869.

Medals of Honor

The following crewmen of the New Ironsides were awarded the Medal of Honor
Medal of Honor
The Medal of Honor is the highest military decoration awarded by the United States government. It is bestowed by the President, in the name of Congress, upon members of the United States Armed Forces who distinguish themselves through "conspicuous gallantry and intrepidity at the risk of his or her...

 for their actions during the Second Battle of Fort Fisher
Second Battle of Fort Fisher
The Second Battle of Fort Fisher was a joint assault by Union Army and naval forces against Fort Fisher, outside Wilmington, North Carolina, near the end of the American Civil War...

:
  • James Barnum
    James Barnum
    James Barnum was a boatswain’s mate in the United States Navy stationed aboard the Union ironclad during the American Civil War...

    , Boatswain's Mate, U.S. Navy
  • John Dempster
    John Dempster (Medal of Honor)
    John Dempster was a sailor in the U.S. Navy during the American Civil War. He received the Medal of Honor for his actions during the Second Battle of Fort Fisher on January 15, 1865.-Military service:...

    , Coxswain, U.S. Navy
  • Thomas English
    Thomas English (Medal of Honor)
    Thomas English was a sailor in the U.S. Navy during the American Civil War. He received the Medal of Honor for his actions during the Second Battle of Fort Fisher on January 15, 1865.-Military service:...

    , Signal Quartermaster, U.S. Navy
  • Edmund Haffee
    Edmund Haffee
    Edmund Haffee was a sailor in the U.S. Navy during the American Civil War. He received the Medal of Honor for his actions during the Second Battle of Fort Fisher on January 15, 1865.-Military service:...

    , Quarter Gunner, U.S. Navy
  • Nicholas Lear
    Nicholas Lear
    Nicholas Lear was a Quartermaster in the Union Navy and a Medal of Honor recipient for his actions in the American Civil War.-Medal of Honor citation:...

    , Quartermaster, U.S. Navy
  • Daniel Milliken
    Daniel Milliken
    Daniel Milliken was a sailor in the U.S. Navy during the American Civil War. He received the Medal of Honor for his actions during the Second Battle of Fort Fisher on January 15, 1865.-Military service:...

    , Quarter Gunner, U.S. Navy
  • Joseph White
    Joseph White (Medal of Honor)
    Joseph White was a sailor in the U.S. Navy during the American Civil War. He received the Medal of Honor for his actions during the Second Battle of Fort Fisher on January 15, 1865.-Military service:...

    , Coxswain, U.S. Navy
  • Richard Willis
    Richard Willis (Medal of Honor)
    Richard Willis was a sailor in the U.S. Navy during the American Civil War. He received the Medal of Honor for his actions during the Second Battle of Fort Fisher on January 15, 1865.-Military service:...

    , Coxswain, U.S. Navy
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