United States Army > Army of the Potomac

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Headquarters escort
Oneida (New York) Cavalry Company Captain Daniel P. Mann
4th United States Infantry Regiment
Provost Guard Brigadier General Marsena L. Patrick
1st Massachusetts Cavalry, Cos. C&D
80th New York Infantry Regiment Colonel Jacob Hardenberg
3rd Pennsylvania Cavalry Regiment
68th Pennsylvania Infantry Regiment
114th Pennsylvania Infantry Regiment
Engineer Brigade Brigadier General Daniel Woodbury
15th New York Engineer Regiment Major Walter N. Cassin
50th New York Engineer Regiment Lieutenant Colonel William H. Pettes
Regular Engineer Battalion Captain George Henry Mendell
Artillery Reserve
1st New Jersey Artillery, Battery A
3rd New York Independent Battery from 6 Corps Artillery
4th New York Heavy Artillery from 2nd Corps
15th New York Heavy Artillery, Co. F
1st Rhode Island Artillery, Battery E from 6 Corps Artillery
Headquarters Staff
Chief of Staff Major General Andrew A. Humphreys
Chief of Artillery Brigadier General Henry J. Hunt
Chief Engineer
Assistant Adjutant General Brigadier General Seth Williams
Inspector General
Chief Quartermaster Lieutenant Colonel Rufus Ingalls
Medical Director Surgeon Jonathan Letterman
Bureau of Military Information Colonel George H. Sharpe