United States Regiments & Batteries * United States Regulars

February At Washington, D.C.
April Ordered to Fort Pickens, Fla. Garrison duty at Fort Pickens attached to District of Pensacola, Fla., Dept. of the South
November 22-23 Engagement with Confederate Batteries at Pensacola
January 1 Bombardment of Forts McRae and Barrancas, Pensacola Harbor
August Attached to District of West Florida, Dept. of the Gulf
May Moved to Fort Hamilton, New York. Attached to Dept. of the East
August Moved to to Fort McHenry, Baltimore. Duty at Fort McHenry and at Federal Hill attached to Defenses of Baltimore, Md., 8th Corps, Middle Department until August 1865