Organized at Brattleboro and mustered in October 23, 1862, for nine months. Moved to Washington, D. C., October 24-27. Attached to 2nd Brigade, Abercrombie's Division, Military District of Washington, to February, 1863. 2nd Brigade, Casey's Division, 22nd Army Corps, to April, 1863. 2nd Brigade, Abercrombie's Division, 22nd Army Corps, to June, 1863. 3rd Brigade, 3rd Division, 1st Army Corps, Army of the Potomac, July, 1863.
At East Capital Hill, Washington, till October 30, 1862. March to Munson Hill October 30, thence to Hunting Creek November 5. At Camp Vermont, near Hunting Creek, till December 12. Picket duty near Fairfax Court House to January 20, 1863. At Fairfax Station till March 20. Defence of Fairfax Court House from attack by Stuart's Cavalry December 29, 1862. At Union Mills March 24 to June 1. At Bristoe Station, Catlett's Station and Manasaas till June 15. At Union Mills till June 25. March to Gettysburg, Pa., June 25-July 1. Battle of Gettysburg July 1-3. Pursuit of Lee July 4-18. Moved to Brattleboro, Vt., July 18-21. Mustered out August 10, 1863.
Regiment lost during service 1 Officer and 23 Enlisted men killed and mortally wounded and 1 Officer and 48 Enlisted men by disease. Total 73.