United States Regiments & Batteries * United States Regulars

April On garrison duty at Fort McHenry, Baltimore. Assigned to Butler’s Department of Annapolis.
June Attached to Dix’s Command, Baltimore
July Attached to Defenses of Baltimore, Md., 8th Army Corps, Middle Department
January Attached to 1st Separate Brigade, 8th Army Corps
May In the Defenses of Washington attached to 2nd Brigade, Haskins’ Division, 22nd Army Corps, Defenses of Washington, D.C. North of the Potomac
July Attached to 1st Brigade, Hardin’s Division, 22nd Army Corps
November Attached to Fort Foote, Defenses North of the Potomac, 22nd Army Corps
April Moved to Alabama as Infantry, attached to Dept. of the Cumberland
August Moved to Chattanooga, Tenn. and attached to Middle Department
August Moved to Fort McHenry, Baltimore