Federals Continue Pressuring Charleston

January 13, 1864 – Rear Admiral John A.B. Dahlgren, commanding the South Atlantic Blockading Squadron, recommended that Federal forces use torpedo boats, like the Confederacy’s David, to attack enemy ships and defenses in Charleston Harbor.

Rear Adm J.A.B. Dahlgren – Image Credit: Wikimedia.org

By this month, the Federal blockade of Charleston Harbor was choking the city into submission. Federal troops occupied Morris and Folly islands southeast of Charleston, but Confederates still held Fort Sumter in the harbor. Dahlgren reported to President Abraham Lincoln:

“The city of Charleston is converted into a camp, and 20,000 or 25,000 of their best troops are kept in abeyance in the vicinity, to guard against all possible contingencies, so that 2,000 of our men in the fortifications of Morris and Folly Islands, assisted by a few ironclads, are tendering invaluable service… No man in the country will be more happy than myself to plant the flag of the Union where you most desire to see it.”

With Federal blockading vessels under constant threat from torpedoes and other obstructions, Dahlgren warned his commanders about a type of boat–

“… of another kind, which is nearly submerged and can be entirely so. It is intended to go under the bottoms of vessels and there to operate… It is also advisable not to anchor in the deepest part of the channel, for by not leaving much space between the bottom of the vessel and the bottom of the channel it will be impossible for the diving torpedo to operate except on the sides, and there will be less difficulty in raising a vessel if sunk.”

In recommending the Federal use of David-type torpedo boats, Dahlgren wrote:

“Nothing better could be devised for the security of our own vessels or for the examination of the enemy’s position… The length of these torpedo boats might be about 40 feet, and 5 to 6 feet in diameter, with a high-pressure engine that will drive them 5 knots. It is not necessary to expend much finish on them.”

In late January, the Federals batteries on Morris Island resumed their sporadic bombardment of Fort Sumter. The Charleston Courier reported, “The whizzing of shells overhead has become a matter of so little interest as to excite scarcely any attention from passers-by.” The barrage increased on the 29th, and over the next two days, 583 rounds were fired into the fort.

The Confederate defenders still refused to surrender. And despite the blockade’s effectiveness, blockade-runners still escaped into the open seas occasionally. Lieutenant Commander James C. Chaplin wrote to Dahlgren offering reasons why blockade running was so appealing:

“… They are provided with the best of instruments and charts, and, if the master is ignorant of the channel and inlets of our coast, a good pilot. They are also in possession of the necessary funds (in specie) to bribe, if possible, captors for their release. Such an offer was made to myself… of some 800 pounds sterling. The master of a sailing vessel, before leaving port, receives $1,000 (in coin), and if successful, $5,000 on leaving and $15,000 in a successful return to the same port.”

—–

References

Denney, Robert E., The Civil War Years: A Day-by-Day Chronicle (New York: Gramercy Books, 1992 [1998 edition]), p. 358-59, 362, 364; Fredriksen, John C., Civil War Almanac (New York: Checkmark Books, 2007), p. 388, 391; Long, E.B. with Long, Barbara, The Civil War Day by Day (New York: Da Capo Press, Inc., 1971), p. 457-58

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