Federals Regroup on Morris Island

July 31, 1863 – President Abraham Lincoln approved reinforcing the Department of the South to bolster the Federals on Morris Island who were trying to capture not only the island but the city of Charleston, South Carolina.

Federal forces remained on the southern part of Morris Island after sustaining another defeat at Battery Wagner on the 18th. With his force reduced to 6,000 men due to combat and illness, Major General Quincy A. Gillmore, commanding the department, wrote General-in-Chief Henry W. Halleck requesting reinforcements. Gillmore asked for 8,000 veterans that he assumed would be freed up after the victories at Gettysburg, Vicksburg, Port Hudson, and Tullahoma.

While waiting for Halleck’s response, Gillmore worked with Rear Admiral John A.B. Dahlgren, commanding the South Atlantic Blockading Squadron, on a new plan of attack. The two commanders agreed that reinforcements were needed before any offensive operations could be resumed, but Dahlgren had none to offer.

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

Dahlgren contacted Navy Secretary Gideon Welles and suggested that 20,000 reinforcements could take Morris Island and put the Federals in position to attack Charleston. When Welles received Dahlgren’s message, he sent Assistant Navy Secretary Gustavus V. Fox to discuss the matter with Halleck. Halleck claimed that he had received no request for reinforcements from Gillmore; that message would not reach him until the 28th. When Halleck read it, he immediately replied:

“You were distinctly informed that you could not have any additional troops, and it was only on the understanding that none would be required that I consented to your undertaking operations on Morris Island. Had it been supposed that you would require more troops, the operations would not have been attempted with my consent or that of the Secretary of War.”

Halleck explained that “every man that we could possibly rake and scrape together is in the field in face of the enemy… And now, at this critical junction, comes your urgent but unexpected application for 8,000 additional troops for Morris Island. It is, to say the least, seriously embarrassing.” Halleck ultimately dispatched 2,000 black troops from North Carolina, but they were untested and too few for Gillmore to proceed.

Lincoln and Welles then met with Halleck and agreed that since Major General George G. Meade would not be launching another offensive in northern Virginia any time soon, troops could be pulled from the Army of the Potomac to reinforce Gillmore. Lincoln directed the War Department to send 5,000 additional troops from XI Corps to Morris Island.

By month’s end, Gillmore had begun preparing to besiege Batteries Wagner and Gregg on Morris Island, as well as Fort Sumter in Charleston Harbor.

—–

References

Official Naval Records (Series 1, Vol. 14), p. 380-82, 401; Official Records (Series 1, Vol. 28, Part 2), p. 23-24, 26, 29, 30, 39; Official Records (Series 1, Vol 53), p. 293-94; Welles, Gideon, Diary (Vol. 1); Wise, Stephen R., Gate of Hell

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